21份无芒雀麦种质农艺性状及种子产量的综合评价与优异种质筛选

doi:10.3724/SP.J.1006.2025.51050

Abstract

Abstract:

In this study, 21 Bromus inermis accessions from different regions were evaluated for their agronomic traits and seed yield. A combination of correlation analysis, path analysis, principal component analysis, and membership function analysis was employed to comprehensively assess these accessions, providing a foundation for selecting B. inermis varieties that are well adapted to the ecological conditions of the Xinjiang region and capable of producing high seed yields. Results showed a highly significant positive correlation between seed yield and the number of grains per spike, spike length, spikelet number, and spikelet length (P < 0.01), and a significant negative correlation with spikelet width (P < 0.05). Path analysis indicated that spikelet length had the strongest direct effect on seed yield (path coefficient = 0.618), with a notably high correlation coefficient of 0.97, suggesting it could serve as a key indicator for evaluating seed yield. Principal component analysis revealed that the first three principal components collectively explained 81.57% of the total variance, with the first component mainly associated with spikelet length, spike length, and seed yield. Based on membership function values and D-value analysis, three high-yielding germplasm lines—X20, X13, and X14—were identified. These lines exhibit strong adaptability and high yield potential, making them suitable candidates for cultivation and promotion in the Xinjiang region.

Key words: Bromus inermis, agronomic traits, seed yield, analysis of relationship, comprehensive evaluation

JIANG Ang-Chen, LI Yan, LI Yu-Chen, ZHANG Jing, CHEN Ai-Ping. Comprehensive evaluation of agronomic traits and seed yield of 21 Bromus inermis germplasm and screening of superior germplasm[J].Acta Agronomica Sinica, 2025, 51(11): 2958-2970.

Figures/Tables 10

Table 1

Sources of the 21 B. inermis accessions"

编号 Code	材料来源 Source	原产地 Origin
X1	新疆乌苏市草原工作站 Grassland Station of Wusu city, Xinjiang	新疆乌苏市Wusu city, Xinjiang
X2	野外采集Field collection	内蒙古凉城县蛮汉山 Liangcheng county Manhan mountain, Inner Mongolia
X3	野外采集Field collection	山西省大同市左云县Zuoyun county, Datong city, Shanxi
X4	中国农业科学院北京畜牧所Institute of Animal Sciences, Chinese Academy of Agricultural Sciences	河北省Hebei
X5	中国农业科学院北京畜牧所Institute of Animal Sciences, Chinese Academy of Agricultural Sciences	内蒙古锡林郭勒盟多伦县 Duolun county, Xilin Gol league, Inner Mongolia
X6	野外采集Field collection	新疆伊犁哈萨克自治州Yili Kazak Autonomous Prefecture, Xinjiang
X7	野外采集Field collection	内蒙古赤峰市巴林右旗罕山乡 Balin Right Banner Hanshan township, Chifeng city, Inner Mongolia
X8	甘肃农业大学草业学院 Pratacultural College, Gansu Agricultural University	内蒙古锡林郭勒盟多伦县 Duolun county, Xilin Gol league, Inner Mongolia
X9	中国农业科学院北京畜牧所Institute of Animal Sciences, Chinese Academy of Agricultural Sciences	河北省Hebei
X10	中国农业科学院北京畜牧所Institute of Animal Sciences, Chinese Academy of Agricultural Sciences	青海省祁连县Qilian county, Qinghai
X11	野外采集Field collection	新疆伊犁州昭苏县昭苏镇加曼台村Jiamantai village, Zhaosu town, Zhaosu county, Yili prefecture, Xinjiang
X12	野外采集Field collection	新疆塔城地区托里县Toli county, Tacheng prefecture, Xinjiang
X13	野外采集Field collection	新疆阿勒泰市北屯镇Beitun town, Altai city, Xinjiang
X14	野外采集Field collection	吉林省公主岭市Gongzhuling city, Jilin
X15	中国农业科学院草原研究所Grassland Research Institute, Chinese Academy of Agricultural Sciences	新疆伊犁州伊宁县Yining county, Yili prefecture, Xinjiang
X16	中国农业科学院草原研究所Grassland Research Institute, Chinese Academy of Agricultural Sciences	中国农业科学院草原研究所Grassland Research Institute, Chinese Academy of Agricultural Sciences
X17	野外采集Field collection	新疆伊犁州新源县Xinyuan county, Yili prefecture, Xinjiang
X18	野外采集Field collection	新疆伊犁州察布查尔县Qapqal county, Yili prefecture, Xinjiang
X19	野外采集Field collection	甘肃省武威市天祝藏族自治县 Tianzhu Tibetan Autonomous county, Wuwei city, Gansu
X20	野外采集Field collection	新疆塔城市塔尔巴哈台山Talbahatai Mountain, Tacheng city, Xinjiang
X21	中国农业科学院北京畜牧所Institute of Animal Sciences, Chinese Academy of Agricultural Sciences	中国农业科学院北京畜牧所Institute of Animal Sciences, Chinese Academy of Agricultural Sciences

Table 1

Table 2

Table 3

Table 4

Comparison of stem and leaf traits of 21 B. inermis in 2023 and 2024"

编号 Code	株高Plant height (cm)		穗下茎长Stem length under spike (cm)		旗叶长Flag leaf length (cm)
编号 Code	2023	2024	2023	2024	2023	2024
X1	107.03±4.13 abc	129.19±3.243 b^*	40.10±1.17 ab	37.52±0.64 de	11.05±0.50 d	12.46±0.35 ef
X2	103.86±3.25 bc	133.76±1.37 b^**	36.83±0.63 bcd	45.95±1.34 ab^**	10.36±0.30 d	14.44±0.86 bcdef^*
X3	109.20±6.02 abc	124.71±3.092 b	35.86±1.75 cd	44.75±1.28 abc^*	9.65±0.06 d	15.91±1.24 abcd^**
X4	103.13±2.86 bc	131.82±6.27 b^*	39.30±1.28 abc	45.26±2.67 abc	11.92±1.17 cd	16.32±0.72 abc^*
X5	100.60±3.53 c	125.15±5.40 b^*	34.93±0.66 d	46.44±0.18 a^**	10.02±0.65 d	16.28±0.34 abc^**
X6	107.13±2.57 abc	127.47±6.54 b^*	38.73±0.51 abc	44.84±1.45 abc^*	11.92±0.78 cd	14.36±1.53 bcdef
X7	117.03±2.45 a	132.65±1.09 b^**	40.83±1.51 a	43.28±2.63 abcd	12.68±1.71 cd	15.65±0.71 abcde
X8	109.30±2.61 abc	123.35±3.01 b^*	39.50±1.17 abc	46.84±0.94 a^**	10.13±0.43 d	15.97±1.08 abcd^**
X9	107.40±2.07 abc	109.65±6.86 b	39.26±1.37 abc	37.84±4.51 de	16.45±2.78 b	17.67±0.69 ab
X10	107.63±4.33 abc	113.08±3.16 b	39.53±0.52 abc	32.63±1.94 e^*	21.51±1.49 a	18.93±0.75 a
X11	101.43±4.71 c	123.71±2.48 b^*	40.06±0.81 ab	38.06±3.96 de	11.04±0.85 d	15.50±2.21 bcde
X12	99.76±1.68 c	127.77±3.04 b^**	39.60±1.49 abc	41.73±1.73 abcd	10.72±0.75 d	13.40±0.39 cdef ^*
X13	109.46±2.71 abc	124.27±5.92 b	39.13±0.61 abc	39.94±0.88 bcd	11.80±0.57 cd	14.40±1.32 bcdef
X14	114.76±4.98 abc	130.92±1.04 b^*	41.93±0.53 a	41.74±0.35 abcd	15.16±1.11 bc	13.23±0.89 cdef
X15	98.56±2.13 c	123.98±2.01 b^**	39.16±0.72 abc	37.33±0.86 de	10.30±0.92 d	12.71±0.90 def
X16	108.43±1.63 abc	127.37±4.01 b^*	36.73±0.63 bcd	45.63±0.72 ab^**	12.56±0.72 cd	16.62±0.68 abc^*
X17	109.66±3.06 abc	160.07±32.63 a	40.26±1.19 ab	39.29±0.27 cd	10.15±1.20 d	13.37±1.01 cdef
X18	108.66±1.37 abc	124.71±2.79 b^**	38.96±1.31 abc	37.50±0.29 de	12.72±0.95 cd	11.44±0.91 f
X19	107.33±6.98 abc	134.01±2.62 b^*	39.80±1.06 ab	41.11±0.70 abcd	11.67±0.90 cd	13.39±0.84 cdef
X20	109.90±3.78 abc	131.31±4.48 b^*	39.70±1.28 ab	42.26±0.32 abcd	11.29±0.73 d	15.48±0.96 bcde^*
X21	103.86±1.04 bc	128.78±2.17 b^**	38.56±1.68 abc	38.60±1.06 d	11.08±0.69 d	14.94±0.82 bcde^*
编号 Code	旗叶宽Flag leaf width (cm)		倒二叶长Inverted second leaf length (cm)		倒二叶宽Inverted second leaf width (cm)
编号 Code	2023	2024	2023	2024	2023	2024
X1	0.41±0.02 cdefgh	0.41±0.01 abcd	13.15±0.44 bc	17.17±0.63 abc^**	0.48±0.01 bcdefg	0.53±0.04 abcde
X2	0.34±0.01 ghi	0.27±0.02 cd	15.51±0.93 bc	17.46±0.96 abc	0.39±0.01 fghij	0.41±0.01 fj
X3	0.28±0.00 i	0.26±0.02 d	13.64±0.72 bc	18.76±2.08 ab	0.36±0.02 ij	0.38±0.01 fj
X4	0.37±0.06 de1fghi	0.29±0.01 cd	14.21±0.98 bc	19.06±0.71 ab^*	0.42±0.03 defghij	0.43±0.01 defg
X5	0.28±0.01 i	0.26±0.02 cd	15.08±1.59 bc	18.22±0.46 ab	0.37±0.02 ghij	0.38±0.01 j
X6	0.47±0.04 abcd	0.50±0.04 ab	14.95±0.75 bc	18.98±1.45 ab	0.49±0.04 bcdef	0.62±0.03 a
X7	0.41±0.06 cdefgh	0.29±0.01 cd	15.74±0.64 bc	19.09±1.21 ab	0.40±0.03 efghij	0.39±0.01 fj
X8	0.28±0.01 i	0.29±0.01 cd	13.52±0.74 bc	19.75±1.29 ab^*	0.35±0.005 j	0.39±0.01 fj^**
X9	0.53±0.05 ab	0.56±0.19 a	16.01±1.88 bc	22.30±1.31 a	0.46±0.02 cdefgh	0.53±0.02 abcd
X10	0.56±0.02 a	0.46±0.08 abc	22.29±2.45 a	21.74±0.69 ab	0.65±0.08 a	0.62±0.06 a
X11	0.40±0.04 cdefgh	0.45±0.08 abc	12.23±0.74 c	19.17±1.85 ab^*	0.47±0.02 cdefgh	0.59±0.07 ab
X12	0.46±0.02 bcde	0.37±0.01 bcd	13.95±0.52 bc	18.08±0.84 ab^*	0.54±0.05 bc	0.55±0.01 abc
X13	0.44±0.00 bedef	0.35±0.05 bcd	14.78±1.05 bc	19.77±1.35 ab^*	0.51±0.01 bcde	0.45±0.02 cdefg
X14	0.49±0.01 abc	0.37±0.03 bcd^*	16.83±2.52 b	12.76±5.22 c^*	0.58±0.02 ab	0.49±0.03bcdef
X15	0.41±0.01 cdefgh	0.34±0.02 bcd	13.73±0.98 bc	18.16±0.50 ab	0.52±0.01 bcd	0.51±0.05abcde
X16	0.35±0.01 fghi	0.38±0.01 abcd	15.73±0.37 bc	19.56±1.79 ab	0.40±0.01 efghij	0.42±0.01 efg
X17	0.47±0.01 abcde	0.42±0.02 abcd	13.76±0.79 bc	19.05±1.17 ab^*	0.52±0.03 bcd	0.48±0.01 cdefg
X18	0.44±0.02 bcdefg	0.33±0.04 bcd	16.88±0.93 b	16.21±1.03 bc	0.48±0.03 bcdefg	0.47±0.05 cdefg
X19	0.44±0.01 bcdefg	0.39±0.01 abcd	15.11±1.23 bc	18.61±1.03 ab	0.51±0.02 bcd	0.54±0.01 abcd
X20	0.32±0.00 hi	0.29±0.02 cd	16.02±0.26 bc	18.69±0.68 ab^*	0.37±0.01 hij	0.37±0.03 j
X21	0.36±0.01 efghi	0.40±0.01 abcd^*	14.76±1.24 bc	20.63±1.30 ab^*	0.45±0.03 cdefghi	0.56±0.02 abc

Table 4

Table 5

Comparison of spike traits of 21 B. inermis in 2023 and 2024"

编号 Code	小穗长 Spike length (cm)		小穗宽 Spikelet length (cm)		穗长 Spikelet width (cm)		小穗数 Spikelet number		单序籽粒数 Number of single-sequence grains
编号 Code	2023	2024	2023	2024	2023	2024	2023	2024	2023	2024
X1	2.48± 0.10 abc	2.03± 0.06 de	0.35± 0.02 bc	0.35± 0.05 abcd	15.52± 0.20 abc	15.27± 3.50 bc	18.19± 0.69 ab	27.75± 2.14 hijk^*	104.92± 1.54 abc	112.10± 15.12 de^**
X2	1.90± 0.24 de	2.01± 0.21 de	0.44± 0.03 a	0.36± 0.04 abc	12.35± 0.47 d	14.90± 1.60 bc	12.66± 1.08 cd	22.67± 1.06 k^**	44.60± 1.34 ef	106.93± 2.86 de^**
X3	1.92± 0.13 de	2.16± 0.07 cde	0.31± 0.03 cd	0.30± 0.02 abcd	13.21± 1.00 cd	15.33± 4.74 bc	7.93± 0.93 e	41.77± 2.04 defg^**	29.62± 1.26 fg	139.32± 12.40 cd^**
X4	1.98± 0.14 cde	2.15± 0.10 cde	0.39± 0.01 ab	0.33± 0.06 abcd^**	16.57± 1.41 ab	15.85± 0.76 bc	7.33± 1.02 ef	39.87± 2.24 efgh^**	29.95± 1.51 fg	138.39± 11.68 cd^**
X5	1.41± 0.10 f	1.95± 0.15 e^**	0.27± 0.06 bcd	0.38± 0.02 ab	12.77± 0.68 cd	13.60± 1.30 c	4.86± 0.72 f	18.63± 2.73 k^**	19.98± 1.52 g	74.24± 10.45 e^**
X6	2.38± 0.06 abcd	2.31± 0.27 bcde	0.33± 0.02 d	0.28± 0.05 cd	15.12± 1.27 abcd	16.93± 3.28 bc	16.22± 0.98 ab	56.05± 5.05 bc^**	109.81± 3.86 abc	150.29± 7.78 bcd^**
X7	2.08± 0.09 bcde	2.15± 0.08 cde	0.44± 0.02 a	0.32± 0.01 abcd^**	15.30± 1.14 abcd	17.48± 1.63 bc	14.99± 0.69 bc	35.93± 1.67 fghij^**	48.62± 1.93 ef	133.50± 3.97 cd^**
X8	2.23± 0.02 abcde	2.08± 0.22 cde	0.43± 0.03 a	0.33± 0.01 abcd	13.51± 0.84 bcd	15.27± 2.55 bc	9.86± 0.72 de	26.11± 1.79 ijk^**	36.85± 1.34 fg	117.16± 17.51 de^**
X9	1.80± 0.25 ef	2.14± 0.08 cde	0.38± 0.01 abc	0.33± 0.01 abcd^**	12.89± 0.85 cd	15.22± 1.32 bc	18.18± 0.88 ab	36.41± 2.85 fghi^**	119.19± 3.66 ab	131.39± 9.50 cd^**
X10	2.27± 0.08 abcde	2.12± 0.22 cde	0.35± 0.01 bc	0.33± 0.02 abcd^**	12.82± 0.93 cd	15.70± 1.40 bc	14.93± 1.61 bc	29.78± 2.87 ghijk^*	67.93± 2.14 de	117.27± 16.68 de^**
X11	1.99± 0.06 cde	2.21± 0.35 cde	0.38± 0.01 abc	0.30± 0.01 bcd	15.09± 1.07 abcd	15.67± 3.43 bc	19.39± 1.72 a	46.63± 1.61 cdef^**	129.19± 3.95 a	143.71± 13.88 cd^**
X12	2.10± 0.11 abcde	2.26± 0.43 cde	0.34± 0.01 bcd	0.29± 0.03 bcd^*	13.83± 0.41 bcd	16.23± 1.50 a	17.15± 0.94 ab	41.70± 11.64 defg^**	112.33± 3.56 ab	145.05± 16.41 cd^**
X13	2.54± 0.12 ab	2.69± 0.10 ab	0.34± 0.02 bcd	0.27± 0.03 d	14.95± 0.69 abcd	21.93± 2.27bc^**	16.19± 0.69 ab	64.23± 4.91 ab^**	109.29± 3.86 abc	198.83± 13.05 ab^**
X14	2.63± 0.08 a	2.42± 0.26 bcd	0.37± 0.02 abc	0.28± 0.12 cd	16.58± 1.04 ab	18.63± 1.70 ab	16.19± 0.8 ab	54.82± 4.85 bc^**	104.19± 3.17 abc	152.82± 10.4 bcd^**
X15	2.29± 0.15 abcde	2.46± 0.19 bc	0.44± 0.03 a	0.28± 0.07 cd^*	14.55± 0.41 abcd	18.93± 2.25 ab^*	16.00± 0.7 ab	56.18± 3.24 bc^**	107.78± 3.12 abc	184.98± 12.69 abc^**
X16	2.46± 0.36 abc	2.02± 0.10 de	0.36± 0.01 bc	0.34± 0.04 abcd	17.02± 0.82 a	15.10± 1.32 bc	11.52± 0.63 d	24.63± 2.14 ijk^**	41.18± 1.38 fg	108.39± 3.66 de^**
X17	2.46± 0.15 abc	1.98± 0.22 e	0.39± 0.01 ab	0.38± 0.02 a^**	13.70± 0.21 bcd	16.47± 3.07 bc	17.75± 1.01 ab	23.02± 2.63 jk	85.52± 34.18 cd	105.17± 24.18 de
X18	2.23± 0.17 abcde	2.35± 0.10 bcde	0.37± 0.02 abc	0.28± 0.04 cd^*	15.10± 0.89 abcd	16.67± 2.25 bc	16.63± 0.5 ab	53.87± 1.36 bcd^**	108.28± 2.27 abc	150.40± 16.98 bcd^**
X19	2.45± 0.09 abc	1.98± 0.25 e^*	0.39± 0.01 ab	0.34± 0.01 abcd	14.96± 0.84 abcd	14.70± 0.40 bc	19.15± 1.43 a	19.47± 3.54 k	120.93± 1.66 ab	103.88± 13.87 de
X20	2.24± 0.14 abcde	2.99± 0.24 a	0.34± 0.00 bcd	0.27± 0.02 d^**	14.39± 0.65 abcd	22.03± 2.42 a^**	18.73± 1.10 a	70.29± 6.18 a^**	100.48± 5.05 bc	231.82± 12.28 a^**
X21	2.41± 0.20 abcd	2.31± 0.41 bcde	0.34± 0.01 bcd	0.29± 0.03 cd^**	13.79± 1.77 bcd	16.37± 2.97 bc	18.52± 1.29 a	50.32± 2.86 cde^**	117.52± 2.60 ab	145.86± 18.91 bcd^**

Table 5

Table 6

Fig. 1

Table 7

Table 8

Table 9

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农艺性状 Agronomic traits	测定标准 Recording standards
株高Plant height (cm)	从地表面到植株最高部位的自然高度 The natural height from the ground surface to the highest part of the plant
穗下茎长 Stem length under spike (cm)	穗下第一节节间长The length of the first internode under the ear
旗叶长 Flag leaf length (cm)	植株顶部发育完全的小叶的长度Length of fully developed leaflets at the top of the plant
旗叶宽 Flag leaf width (cm)	植株顶部发育完全的小叶的宽度Width of fully developed leaflets at the top of the plant
倒二叶长 Inverted second leaf length (cm)	花序下第二叶叶舌到叶尖的长度 Length from ligule to tip of second leaf under inflorescence
倒二叶宽Inverted second leaf width (cm)	花序下第二叶叶鞘的长度Length of second leaf sheath under inflorescence

农艺性状 Agronomic traits	测定标准 Recording standards
穗长Spike length (cm)	花序的绝对长度The absolute length of inflorescence
小穗长Spikelet length (cm)	小穗的基部到顶部的绝对长度The absolute length from base to top spikelets
小穗宽Spikelet width (mm)	小穗最宽处的宽度Width of the widest spikelet
小穗数Spikelet number	每生殖枝小穗数Number of spikelets per reproductive branch
单序籽粒数Number of single-sequence grains	成熟期单个花序上的籽粒总数Total number of grains on a single inflorescence at maturity stage

产量 Yield (kg hm^-2)	X1	X2	X3	X4	X5	X6
2023	610.6±57.7 c	243.0±41.1 defg	155.4±8.1 fg	168.2±34.8 fg	62.1±8.7 g	599.3±105.7 c
2024	1121.0±151.2 de^**	1069.3±28.6 de^**	1393.2±124.0 cd	1383.9±116.8 cd^**	742.4±104.5 e^**	1502.9±77.8 bcd^**
产量 Yield (kg hm^-2)	X7	X8	X9	X10	X11	X12
2023	262.6±19.2 def	182.4±16.5 efg	736.5±43.7 abc	387.1±7.0 d	905.0±55.4 a	597.9±121.8 c
2024	1335.0±39.7 cd^**	1171.6±175.1 de^**	1313.9±95.0 cd^*	1172.7±16.7 de^**	1437.1±138.8 cd^*	1450.5±164.1 cd^**
产量 Yield (kg hm^-2)	X13	X14	X15	X16	X17	X18
2023	618.0±63.9 bc	678.5±46.9 bc	658.9±49.7 bc	212.8±38.3 defg	806.1±59.5 ab	614.4±45.9 c
2024	1988.3±130.5 ab^**	1528.2±104.0 bcd^**	1849.8±126.9 abc^**	1083.9±36.6 de^**	1051.7±241.8 de	1504.0±169.8 bcd^**
产量 Yield (kg hm^-2)	X19	X20	X21
2023	745.7±77.3 abc	365.1±52.0 de	769.8±54.9 abc
2024	1038.8±138.7 de	2318.2±122.8 a^**	1458.6±189.1 bcd^*

因子 Factor	相关系数 Correlation coeffcient	直接作用 Direct effect	间接作用 Indirect effect
因子 Factor	相关系数 Correlation coeffcient	直接作用 Direct effect	小穗数 Spikelet number	单序籽粒数 Number of grains per spike	小穗长 Spikelet length	穗长 Spike length	小穗宽 Spikelet width
小穗数Spikelet number	0.878	0.432	—	0.038	0.568	0.132	-0.294
单序籽粒数Number of grains per spike	0.827	0.050	0.331	—	0.518	0.133	-0.206
小穗长Spikelet length	0.972	0.618	0.397	0.041	—	0.154	-0.239
穗长Spike length	0.907	0.169	0.339	0.039	0.564	—	-0.204
小穗宽 Spikelet width	-0.685	0.319	-0.398	-0.032	-0.464	0.108	—

Comprehensive evaluation of agronomic traits and seed yield of 21 Bromus inermis germplasm and screening of superior germplasm

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指标 Index	PC1	PC2	PC3
株高Plant height	0.09	0.86	-0.27
穗下茎长Stem length under spike	0.11	0.57	0.17
旗叶长Flag leaf length	-0.04	0.72	0.62
旗叶宽Flag leaf width	-0.53	-0.39	0.57
倒二叶长Inverted second leaf length	-0.17	0.26	0.75
倒二叶宽Inverted second leaf width	-0.67	-0.52	0.40
小穗长Spikelet length	0.97	-0.03	0.15
小穗宽Spikelet width	-0.77	0.52	-0.01
穗长Spike length	0.94	0.13	0.10
小穗数Spikelet number	0.89	-0.35	0.19
单序籽粒数Number of single-sequence grains	0.89	0.05	0.09
种子产量Seed yield	0.94	-0.05	0.25
特征值Eigenvalue	5.66	2.46	1.65
方差贡献率Variance contribution	47.18	20.57	13.81
累计贡献率Accumulative contribution	47.18	67.75	81.57

材料 Material	PC1	PC2	PC3	U(X₁)	U(X₂)	U(X₃)	D值 D-value	综合排名 Comprehensive rank
X1	-0.68	0.19	-1.57	0.24	0.39	0.05	0.25	17
X2	-1.09	-1.20	-0.03	0.14	0	0.56	0.17	19
X3	-0.05	-0.76	1.08	0.41	0.12	0.93	0.42	12
X4	-0.25	-0.67	0.85	0.36	0.15	0.81	0.57	5
X5	-1.61	-0.97	0.89	0	0.06	0.87	0.16	20
X6	0.63	0.83	-0.52	0.59	0.56	0.40	0.55	6
X7	-0.05	-0.78	0.72	0.41	0.12	0.81	0.40	13
X8	-0.80	-0.63	1.20	0.21	0.16	0.97	0.33	15
X9	-0.34	2.21	1.03	0.33	0.95	0.11	0.43	11
X10	-0.52	2.40	0.70	0.29	1.00	0.86	0.39	14
X11	0.26	1.22	-0.38	0.49	0.67	0.45	0.53	7
X12	0.35	0.07	-0.64	0.51	0.35	0.36	0.44	10
X13	1.68	-0.03	0.63	0.86	0.33	0.78	0.70	2
X14	1.00	-0.82	-1.39	0.69	0.11	0.92	0.60	3
X15	1.22	0.10	-0.56	0.74	0.36	0.39	0.58	4
X16	-0.99	-0.16	0.82	0.16	0.29	0.85	0.31	16
X17	-1.08	-0.51	-1.72	0.14	0.19	0	0.13	21
X18	0.82	-0.39	-1.18	0.64	0.23	0.18	0.45	9
X19	-1.01	0.08	-1.09	0.16	0.36	0.21	0.22	18
X20	2.20	-0.97	1.28	1.00	0.06	1.00	0.75	1
X21	0.32	0.81	-0.12	0.51	0.56	0.53	0.53	7
权重Weight				0.56	0.27	0.17

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