This standard was first issued in 1983 and revised for the first time in October 1997. This standard replaces GB/T3977-1997 "Methods of expressing colors". This standard specifies the method of expressing colors using the CIE1931 standard colorimetry system or the CIE1964 standard colorimetry system. When the viewing field is 1° to 4°, the three stimulus values ​​and chromaticity coordinates of the CIE1931 standard colorimetry system are used to express colors; when the viewing field is greater than 4°, the three stimulus values ​​and chromaticity coordinates of the CIE1964 standard colorimetry system are used to express colors. This standard applies to object colors (including reflected colors and transmitted colors) and light source colors. Compared with GB/T 3977-1997, the main changes of this standard are as follows: --- the English name of the standard is changed from "Methods of colorimetric analysis" of the original standard to "Specimetric analysis of colorimetrics"; --- definitions such as "CIE standard illuminant", "tristimulus values", "chromaticity coordinates" and "color matching function" are added (3.1 to 3.6 of this standard); --- the full text of the terminology is standardized and updated according to the latest provisions of CIE 15:2004. The “three color coordinates”, “chromaticity function”, “purple locus”, “XYZ chromaticity system”, “X10Y10Z10 chromaticity system” and “CIE1964 supplementary standard chromaticity observer” in GB/T 3977-1997 are revised to “chromaticity coordinates”, “color matching function”, “purple-red boundary”, “CIE1931 standard chromaticity system” and “CIE1964 standard chromaticity system” and “CIE1964 standard chromaticity observer” respectively; — The chromaticity coordinates of isoenergetic white light of CIE1931 standard chromaticity system and CIE1964 standard chromaticity system are given in 5.2 and 5.4; — The contents of CIE1931 and CIE1964 chromaticity diagrams and corresponding standard chromaticity observers are merged into one chapter, and the relationship between illuminant D65 and isoenergetic white light E in CIE1931 chromaticity diagram is revised. ——Modify the tristimulus value expression, give the general formula (3) and (4) in 6.1 and 6.2, and calculate the tristimulus values ​​of light source color, reflection color and transmission color by changing the parameters; ——Use summation calculation instead of integral calculation in formula (1) to formula (6). GB/T 3977-2008 Method of expressing color GB/T3977-2008 Standard download decompression password: www.bzxz.net
This standard was first issued in 1983 and revised for the first time in October 1997. This standard replaces GB/T3977-1997 "Method of expressing color". This standard specifies the method of expressing color using the CIE1931 standard colorimetric system or the CIE1964 standard colorimetric system. When the viewing field is between 1° and 4°, the tristimulus values ​​and chromaticity coordinates of the CIE 1931 standard colorimetric system are used to express the color; when the viewing field is greater than 4°, the tristimulus values ​​and chromaticity coordinates of the CIE 1964 standard colorimetric system are used to express the color. This standard is applicable to object color (including reflected color and transmitted color) and light source color. Compared with GB/T 3977-1997, the main changes of this standard are as follows: ————The English name of the standard is changed from "Methods of colorimetric specification" of the original standard to "Specification of colors"; ————The definitions of "CIE standard illuminant", "tristimulus values", "chromaticity coordinates" and "color matching function" are added (3.1 to 3.6 of this standard); ————The terminology of the whole text is standardized and updated according to the latest provisions of CIE 15:2004. The “three color coordinates”, “chromaticity function”, “purple locus”, “XYZ chromaticity system”, “X10Y10Z10 chromaticity system” and “CIE1964 supplementary standard chromaticity observer” in GB/T 3977-1997 are revised to “chromaticity coordinates”, “color matching function”, “purple-red boundary”, “CIE1931 standard chromaticity system” and “CIE1964 standard chromaticity system” and “CIE1964 standard chromaticity observer” respectively; ————the chromaticity coordinates of isoenergetic white light of CIE1931 standard chromaticity system and CIE1964 standard chromaticity system are given in 5.2 and 5.4; ————the contents of CIE1931 and CIE1964 chromaticity diagrams and corresponding standard chromaticity observers are merged into one chapter, and the relationship between illuminant D65 and isoenergetic white light E in CIE1931 chromaticity diagram is revised. ——Modify the tristimulus value expression, give the general formula (3) and (4) in 6.1 and 6.2, and calculate the tristimulus values ​​of light source color, reflected color and transmitted color by changing the parameters; ——Replace the integral calculation of formula (1) to formula (6) with summation calculation.

The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard, however, the parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version applies to this standard.
GB/T3978 Standard illuminant and lighting observation conditions
GB/T3979 Measurement method of object color
GB/T5698 Color terminology
GB/T7922 Measurement method of lighting source color

ICS 17. 180. 20
National Standard of the People's Republic of China
GB/T 3977—2008
Replaces GB/T3977—1997
Expression of colors
Specification of colors
Issued on 2008-05-26
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Administration of Standardization of the People's Republic of China
Implementation on 2008-11-01
GB/T3977-2008
This standard corresponds to the International Commission on Illumination publication CIE15:2002 "Colorimetry". The degree of consistency with CIE15:2001 is not equivalent. The three main differences are that the expression methods of the two color stimulus numbers in the tristimulus value calculation formula are different. This standard replaces GB/T3977-1997 "Expression of colors". The main changes of this standard compared with GB/T 3977-1997 are as follows: the English name of the standard "Methads of colour specilicatinn" of the original standard is changed to "Specification of coordinates"; the definitions of "CIE standard illuminant", "three-color value" and "chromaticity coordinates" and "color matching function" are added (3.1 to 3.6 of this standard);
--~ The full text of the terminology standardization is updated according to the latest provisions of CIE15:2004, and GB/T 3977-1997 "two-color coordinates", "chromaticity function", "compact color", "XYZ colorimetry system", "XYZ colorimetry system" and "CIE1964 supplementary colorimetry observer" are respectively revised to "chromaticity coordinates", "color matching function", "purple color", "C1931 standard colorimetry system" and "CIE1964 standard color system" and "CIE1964 standard colorimetry observer"; - In 5.2 The chromaticity coordinates of isoenergetic white light of the CIE1931 standard colorimetric system and the CIE1964 standard colorimetric system are given in 5.4: --- The contents of CIE1931 and CIE1964 colorimetric and the corresponding standard colorimetric observers are combined into one chapter: The position relationship between the illuminant L65 and isoenergetic white light E in the CIE1931 colorimetric diagram is modified; - The three stimulus value table is modified, and the general formulas (3) and (4) are given in 6.1 and 6.2. The three stimulus values ​​of the light source color, the reflected color and the transmitted color are calculated by changing the parameters;
is calculated by summing Replace the integral calculation of formula (6). This standard was proposed by the National Color Standard Promotion Technical Committee and is under the jurisdiction of the China Academy of Design and Technology, Shenzhen Haichuan Industrial Co., Ltd. The main drafters are: Ma Mu, Chen Ping, Lin Quange, He Weiping, Huang Yongheng. The version of the standard replaced by this standard is: This standard was first issued in 1983 and revised in January 1997.
1 Standard
Color expression method
GB/T 3977—2008
This standard specifies the method of expressing color using the CIE1931 standard colorimetric system or the CIF1961 standard colorimetric system. When the field of view is 1 to 4°, the three stimulus values ​​and chromaticity coordinates of the CIE1531 standard colorimetric system are used to express color; when the field of view is greater than 4°, the three stimulus values ​​and chromaticity coordinates of the CIE1964 standard colorimetric system are used to express color. This standard is applicable to object color (including reflected color and transmitted color) and light source color. 2 Normative references
The following documents are used to represent the terms and conditions of the standard. The terms and conditions of referenced documents shall be incorporated into this standard by reference in this standard. All subsequent amendments (excluding errors) or revised versions of dated referenced documents shall not be deemed as a criterion for this standard. However, parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated referenced documents, the latest versions shall apply to this standard. GB/T3978 Standard illumination and observation conditions for specific illumination GB/T3979 Measurement of object color
GB/T5698
Color terminology
GB/1 7022
3 Terms and definitions
Measurement of illumination source color
The terms and definitions established in GB/T 5698 and the following terms and definitions apply to this standard. 3.1
CIE standard illuminants CIE standard illuminants A specific relative spectral power distribution incident on a subject determined by CIE Including CIE standard illuminant A and CIE standard illuminant [65.
Tristimulus values ​​tristimulusvalues
In the trichromatic system, the amount of two reference colors required to achieve color matching with the color stimulus to be measured. In the CIE1931 standard colorimetry system, X, Y, 2 are used to represent the tristimulus values; in the CIE1964 standard colorimetry system, X1, YL, Zt are used to represent the tristimulus values3.3
Chromaticity coordinates chramaticity coordinates The ratio of each three stimulus value to their sum. In the CIE1931 standard colorimetry system, the chromaticity standard, y, 2 can be calculated by the tristimulus values ​​X1r, Y1, Z1. In the CIE1964 standard colorimetry system, the chromaticity coordinates 710y1c21n can be calculated by the tristimulus values ​​X1r, Y1, Z1. 3. 4
Color matching function colar mate hing funetion The reference color stimulus [X, Y, [Z] (or [X], [YZ]) required for matching each wavelength of the isoenergetic spectrum. The normalized single-color radiant three-stimulus value.
The color matching function in the CIE 1931 standard colorimetry system is represented by (), (), = (A): The color matching number in the CIE 1964 standard colorimetry system is represented by (). (). 2 (): 3. 5
Light source color light soure etol
The color of the light emitted by the light source.
GB/T 3977—2308
Object color object color
The color of light after it is reflected or transmitted by an object. 4 Methods of expressing color
In the CIE1931 standard color system, the stimulus value Y and chromaticity coordinates Y1, y should be used to express the color; or the three stimulus values ​​X, Y, Z should be used to express the color.
In the CIE1964 standard colorimetry system, the stimulus value 1 should be used. And chromaticity coordinates Y1, 31 should be used to express the color: or the three stimulus values ​​X, Y. Zn should be used to express the color.
5 Standard colorimetry observer
CIE1931 standard colorimetry observer
CIE1931 standard colorimetry observer
Consistent, applicable to the viewing field of 1°~4°
Note: CIE1931 standard colorimetry
|CIF regulations) The table lists the wavelength
5.2CIE1931 chromaticity
According to the color matching
quality diagram, see Figure 1:
Special observation sound is also called false
General light visual effect
80nm room
You are a standard colorimeter
SORONVIS
390-41
5nm suitable
Western matching number (), () () and give the chromaticity coordinates chromaticity coordinates, Niu drew the CIE1931 color
690-78
CIE1931 standard colorimetry system chromaticity diagram
Figure 1 Beijing is known by the chromaticity coordinates! is the model coordinate and the ordinate; the curve formed by the chromaticity coordinate points of various monochromatic radiations in the figure is the spectrum track; GB/T 3977--7008
The straight line connecting the two ends of the spectrum track in Figure 1 is at the purple-red boundary, and the sieve formed by the light track and the purple-red track contains all the colors that can be realized in theory; d
In Figure 1, A.D65 is judged as the standard illuminant A, and the chromaticity coordinate point of D65 in the CIE1931 standard colorimetry system. E in Figure 1 represents the chromaticity coordinate point of equal energy white light. e
The radiation power of equal energy concave light in the visible band is equal to the wavelength, and its chromaticity coordinates TE, 2, see formula (). zr = 0. 333 331
E = 0. 333 331
2t0.333335
5.3C[E1964 standard colorimetric observer
（1）
CIE1964 standard colorimetric observer characteristics are consistent with the color matching function element (λ), r (), 2u (4) in the CIEI964 standard colorimetric system and are applicable to fields greater than 4. Jiang: CIE1961 standard colorimetric observer is also called 10\ standard colorimetric observer. Table 2 lists the color matching functions of wavelengths from 380nm to 780nm, with an interval of 5n (), (>), 21s (λ),And the corresponding chromaticity coordinates ()y()
5.4C[E1964 chromaticity diagram
According to the color matching bacteria number 1(1), 3(1), 21(1), the chromaticity coordinates of different long monochromatic radiations can be calculated, and the CIE1964 chromaticity diagram can be drawn, see Figure 2.
止410
Figure 2 Chromaticity diagram of CIE1964 standard colorimetric system 61
690-7Rt
GB/T 39772008
In Figure 2, the chromaticity coordinates s and y are used as the horizontal and vertical coordinates respectively; the curve formed by the chromaticity coordinate points of various monochromatic radiations in Figure 2 is the spectrum trajectory: b>
The line connecting the two ends of the light potential trajectory in Figure 2 is the purple-red boundary; A, D65 in Figure 2 are the chromaticity coordinate points of the standard illuminant A, D65 in the CIE1961 standard chromaticity system respectively; F in Figure 2 represents the chromaticity coordinate point of equal-energy light. The radiation power of equal-energy white light at each wavelength in the visible band is equal, and its chromaticity coordinates are a, F>10., 21. See formula (2). oR = 0.333 298
20E = 0. 333 366 ]
6 Tristimulus value
Calculation method of tristimulus value
See the spectrum range, respectively, for this
length of color stimulus number P() multiplied by each OE color matching number, about the entire feasible integral
In actual calculation, used to integrate the potential integral
Tang system tristimulus value
CIE1931 standard color
CIE1931 standard color
In the formula:
Filling tristimulus
Fe(a)z()| |tt||TE1931 standard chromaticity system
1(3).7(4)/z()
stimulus function
1931 standard
can be separated, the light distribution
tristimulus value
should be sent to the color quality observer in 6.3.1.1.6.32.1 or 5.3.3.1 of this standard
four matching
number, the calculation method is shown in 6.3.1.2, 6.32.2 or 6.3.3.2 of this standard. 6. 2 CIE1964 standard colorimetric value full-scale effective value CIE1964 standard colorimetric system
In the formula:
1n().y(0).21(0)
Thrust value 4, YZ is calculated according to formula (4)
P((A)A)
g(A)y()Ad
2@kis
-CJE1964 colorimetric system tristimulus value: (4)
spectral distribution of color stimulus function, the calculation method of which is shown in 6.3.1.1, 6.3.2.1 or 6.3.3.1 of this standard; CIE1964 standard colorimetric observer color matching function; wavelength interval, which should be 5nm or 10nm;
normalization coefficient, the calculation method of which is shown in 6.3.1.2, 6.3.2.2 or 6.3.3.2 of this standard. 6.3 Color stimulus function and normalization coefficient in the calculation of tristimulus values ​​6.3.1 Color stimulus function and normalization coefficient in the calculation of tristimulus values ​​of illuminant or light source 6.3.1.1 Color stimulus function p(a) in the calculation of tristimulus values ​​of illuminant or light source = S(a)
Where:
S(a) is the spectral power distribution of the illuminant or light source, measured according to the method specified in GB/T7922. 6.3.1.2 Normalization coefficient in the calculation of the tristimulus value of the illuminant or light source GB/T 3977—2008
For the illuminant or light source, the selection of the normalization coefficient or is based on the calculation principle. In the CIE1931 standard colorimetric system, when the Y value is required to be equal to the absolute value of the photometric value, it is =K. =683Ir·W-1, and) should be equal to the spectral radiation value of the corresponding photometric value.
6.3.2 Color stimulus function and normalization coefficient H5 in the three-stimulus calculation of reflecting objects
6. 3. 2. 1 Color stimulus function in the three-stimulus calculation of reflecting objects
Where:
Light spectrum ratio
Light harmonic reception factor
Light absorption coefficient
or s5. 6.3.2.2 The color stimulus ratio in the calculation of the reflection stimulus value is shown in the formula of formula 6.3.3 The color stimulus ratio and normalization coefficient in the calculation of the reflection stimulus value of the transmitted object are shown in the formula of formula 6.3.3.1 The color stimulus ratio in the calculation of the reflection stimulus value of the transmitted object are shown in the formula of formula 6.3.3.2 ...2 The color stimulus ratio in the calculation of the reflection stimulus value of the transmitted object are shown in the formula of formula 6.3.3.3.1 The color stimulus ratio in the calculation of the reflection stimulus value of the transmitted object are shown in the formula of formula 6.3.3.2 The color stimulus ratio in the calculation of the reflection stimulus value of the transmitted object are shown in the formula of formula 6.3.3.3.1 The color stimulus ratio in the calculation of the reflection stimulus value of the transmitted object are shown in the formula of formula 6.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3. 3. 3.2
The normalization coefficient of the transmitted object is the same as 6.3
2 in formula (7), (8).
7Chromaticity coordinates
7.1Chromaticity coordinates of CIE1931 standard colorimetric systemChromaticity coordinates of CIE1931 standard colorimetric system, z is calculated according to formula (10): X
#=X+Y+2
（10）
GB/T3977—2008
-Tristimulus values ​​in CIE1931 standard colorimetric system. 2Chromaticity coordinates of CIE1964 standard colorimetric system7.2
Chromaticity coordinates of CIE1961 standard colorimetric system, z1s, 2 is calculated according to formula (11). Xa
x+y+ 2m
Xi. +y+ z.
X. +Y+z
Wu Zhong:
X.YuZ1a -
Three-dimensional value T-Vs in CIE1964 standard colorimetric system
---(1:)
Color matching function and chromaticity coordinates of CIE1931 standard colorimetric system (wavelength range: 3805m~780m, wavelength interval: 51m) length/nnt
0. 3C2 236
0.004 243
.2c7 650
0.023 190
0.077 630
0. 214 770
0.283 900
0.318 700
0.251 100
0.142 100
0.014 700
color matching function
c. 000 039
0.000 061
u. c0o 120
0.000 317
0.000 396||tt ||0.000 643
0.004.000
0. 07 300
0.023 000
0.029 R00
0.038 000
0.018 000
0.073 900
0.09C 980
0.112.600
0. -39 C20
0.169 300
0.006 150
0.010 550
0.036 210
0.110 20 0 | | tt | 300
0.166 900
156640
0.09: 28c
0. 068 710
0.004 980
0.001 800
0.034 780
0.004 800
0.006 900
0.008 560
0.029 700
0.039 830
0.086 840
C.132 700
0.200 720
C.294 9F0
波长/nm
至(1)
c .029 1c0
6784co
762100
542500
916300
:1.642403
0.164 900
表1（组): 914 85n
952000
C.566 8co
241200
5:821.03c
0. 265 200
0.217 000
3.107 03c
0.081 600
0.061000
0.155 200
0111700
Q657250
.000190
0.000-100
C.000 010
t.0oo.coo
GB/T 39772008
色品coordinates
0.074 366
154720
0. 192 880
C665760
0.700 610
c.714 530
3.728 270
0.729 970
0.724 320
0.554 710
C.424 23C
0.372 490
0..151 399
0.295 930
GB/T3977—2008
0.087 400
0. 045 770
0.032 900
0.00-1 109
0. 002 049
0.000 332
5.000 233
0.000 166
0. .
c Wed 723
C.000 520
0.000 c85
0.000.060
000 030
0.000 000
5.con an:
|0.000.coo
5.000.000
0.3C0 000
0.000.5co
0. 000 000 || 0. 000 000 || 0. 000 000 || tt||色品电影
tt
0.734 690||tt ||C. 734 690
0. 734 690
0.734 690|| C.732 690
0.734 690
0.734 690
0.734 690
0.268 010
0.266 5811
0. 265 310||tt 263 310
0. 2653:0
n.265 310
0.255 310
.265 31c
CIE1964 standard色度电视色色电影福数及色品数数（波长门间：380nm~780zm.波长间间随：5nm)长/nm
o. 0n662 09c 253
C. 000 769
0.002 004
5. 004 5c9
0.008 756
0, C14 455
C. 000 7C5
0.002 928
0. 032 344
0. 086 01!! 019 043
波长/no.
0 (a)
c. 20-1 492
C.264 737
c. 314 679
3.386 726
C.342 957
C.302 273
C. 25-1 03
C.050 537
c, 04i 0?2
C.0:6 172
c. 005 132
.00.1816
C. 025 411
C.037 453
C.071 358
C. 1:7 713
C.172 953
C.376 772
n.5616 253
0.793 832
0.878 635
表2(组）
哲电影电视
J1e(n)
0. 021 391
0. 049 502
0.024 2n.1| |tt||0.256
0.219 940
0.531 360
0.606 741
, 982 200
0.999 110||tt
tt||0.955 552
0.825 623
1. 967 280|| tt||1.95c 700
1.554 900
0.57: 060
tt||0.218 502
0.159 249
0.112 044
0. 043 050
0.020 582
0. 11c798
0.9c1 091
0. 9co 000
0.3co.000
0.3c0.000
GB/T3977—2008
色品小是
yins(a)||tt ||0. 170 630
0. 162 170
0.159 020
0.151 000
0. 145 940
0. 138 920
0.672 780
0. t:20 99:
0.co5 592
0.C21 875
0.C49 543
0.166 413
0.207.069||tt ||0.243 642
0. 278 599
0. 313 2.71
0. 347 300
5. 41h 215
9.44.692c
9.479 04c
0.318 710
0, 322 490
0. 345 220
0.159 090
0. 229 2411
(.4-0 -1n
0.362520
0.574 a40
0.752 580
0. 711 30:5||tt ||0.6R1
0.585 79C
D. 434 560
波/nm
1.134 300
123991
520489
0.754 930
0.647 46?
0.-131567
0. 343 630
C.268 320
C.204 ECO
11.025 623
.013842
0.091 045
0.
表2）
色雨数
0.558 341
0 0. 3SR 057
0.253 493
0. 044 096
C. 023 6C2
C. 0.5 $c5
C. 005 375
5. 00
.on0284
to.cno.4n
.orno7a||tt| |三(+)
C.000 o3c
c.c00 oar:
c.o0o car.
0. coo 0s
nc: o0.00o
0. 5co t0o
0.ar:0 000
0.050 000
0 ||0.000 000
0.000.c00
0.000.co0
C.boa oco
c. too oco
c.t000 oco||tt ||.DCo
c.to0 sco
色品丿
c. 673 05n
C tt||C, 689 730
C.695 480
C.700 930
C. 705 870
0. 718 730
0.719 340
0.720 020
.720160
0.720 300
0.720 3661
0.720 230
0.719 450
0. 718 290
3ha (a)
0.413 c40
0. 388 400
0.338 780
c.317 340
C. 3:0 240
n. 289 75C
0.286 29c
n.28438r:
0. 282 11C
0.280 245
0. 279840
0.279 709
0. 279 680
0.270 770
, 279 910
0.280 320
0.2814590
0.281 390
0.281 710839 551
0.253 493
0.228 254
0. 044 096
C. 023 6C2
C.0.5 $c5
C. 005 375
5. 00: 768
.on0284
to.cno.4n
.orno7a
三(+)
C.000 o3c
c.c00 oar:
c.o0o car.
0. coo 0s
nc:o0.00o
0. 5co t0o
0.ar:0 000
0, 5CO 000
0.050 000
0. 09000c
0.000 000
0.000.c00
0.000.co0
C.boa oco
c. too oco
c.t000 oco
.DCo oco
c.to0 sco
色品丝梦
0.630 530
c . 673 05n
C. 682 650
C, 689 730
C.695 480
C.700 930
C. 705 870
0. 718 730
0.719 340
0.720 020
.720160
0.720 300
0.720 3661
0.720 230
0.719 450
0. 718 290
3ha (a)
0.413 c40
0. 388 400
0.338 780
c.317 340
C. 3:0 240
n. 289 75C
0.286 29c
n.28438r:
0. 282 11C
0.280 245
0. 279840
0.279 709
0. 279 680
0.270 770
, 279 910
0.280 320
0.2814590
0.281 390
0.281 710839 551
0.253 493
0.228 254
0. 044 096
C. 023 6C2
C.0.5 $c5
C. 005 375
5. 00: 768
.on0284
to.cno.4n
.orno7a
三(+)
C.000 o3c
c.c00 oar:
c.o0o car.
0. coo 0s
nc:o0.00o
0. 5co t0o
0.ar:0 000bzxz.net
0, 5CO 000
0.050 000
0. 09000c
0.000 000
0.000.c00
0.000.co0
C.boa oco
c. too oco
c.t000 oco
.DCo oco
c.to0 sco
色品丝梦
0.630 530
c . 673 05n
C. 682 650
C, 689 730
C.695 480
C.700 930
C. 705 870
0. 718 730
0.719 340
0.720 020
.720160
0.720 300
0.720 3661
0.720 230
0.719 450
0. 718 290
3ha (a)
0.413 c40
0. 388 400
0.338 780
c.317 340
C. 3:0 240
n. 289 75C
0.286 29c
n.28438r:
0. 282 11C
0.280 245
0. 279840
0.279 709
0. 279 680
0.270 770
, 279 910
0.280 320
0.2814590
0.281 390
0.281 710
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