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[期刊论文] 作者:SongRen-xue YangYun-qing, 来源:东北农业大学学报:英文版 年份:1999
The even degree of animal population is generlay measured by the coefficient of variation of major economic characters.Facing the coefficient of variation,a sta...
[期刊论文] 作者:YANGYun-qing,LUJin,等, 来源:东北农业大学学报:英文版 年份:2000
It is not reasonable to estimate the average relationship degree in statistics by using the mean of relationship coefficients between the individuals in a anima...
[期刊论文] 作者:YangYun-qing,WangYi-tong,等, 来源:东北农业大学学报:英文版 年份:1999
On the basis of regressional relationship between nutritional indexes and technological conditions,when confronted with feed quality that contains multiple nutr...
[期刊论文] 作者:杨庆云,YANGYun-qing, 来源:海外英语(上) 年份:2016
[期刊论文] 作者:张宇杰,李志浩,杨韵青,王政和,刘丹,杨海莲,蔡淼纯,杨杏芬,吴娴波,凌志海,毛琛,ZHANGYu-jie,LIZhi-hao,YANGYun-qing,WANGZheng-he,LIUDan,YANGHai-lian, 来源:中华疾病控制杂志 年份:2020
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