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varietal regional test
相关语句
  相似匹配句对
     REGIONAL ECONOMY
     区域经济
短句来源
     ANALYSIS OF GENOTYPE×ENVIRONMENT EFFECTS IN VARIETAL REGIONAL TRIAL
     品种区域试验中基因型与环境互作效应分析
短句来源
     REGIONAL TECTONOGEOCHEMISTRY
     区域构造(地球)化学
短句来源
     ANALYSIS OF APPLICABILITY OF AMMI MODEL IN VARIETAL REGIONAL TRIALS OF POTATO
     AMMI模型在马铃薯品种区试中的适用性分析
短句来源
     A MODIFICATION OF QUANTITATIVE CLASSIFlCATION OF STABILITY PARAMETERS IN VARIETAL REGIONAL TESTS
     区域试验中品种稳定性参数数量分类的改进方法
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The concept distinctness of adaptability and sr(?)lity were discussed in the present paper, it is considered that the sense of the former one is broader than the latter one, the latter one should be contained in the former one, it is not on the contrary. The varietal adaptability in the varietal regional test can be analyzed at least the three parts, i, e, adaptive type, adaptive range, and adaptive degree, the stability is the one of the content of the last one.

文章讨论了适应性与稳定性的概念划分,认为前者内涵较广,应包涵后者,而决不是相反。对品种区域试验中反映的品种适应性,本文提出至少可分解为适应类型、适应范围、适应程度三个层次;稳定性是后一层次内容之一。本文建议:1.以信息内涵丰富,与环境值(?)的回归系数b表述适应类型,并作为适应性的主要表述参数;2.借助(?)估算,用对照品种的。两环境界值(?)~(?)表述适应范围;3.对能部分说明适应程度的稳定性,用互作变异系数CV_(vu)CV_(vw),或产量变异系数CV表述。为此,并对多种稳定性表述参数的优选进行了相应论证。

The present paper proposes that quantitative classification be calculated with the median M’oflarge sample CV values from all yearly varietal regional tests as the origin point of the populationnormal distribution after deriving the theoratical value of standard deviation S’by screening suitablesmall probability. With this modification,no negative values appear and the coverage iS broadened,thus making the method more reasonable and suitable in application and increasing the accuracy inthe evaluation...

The present paper proposes that quantitative classification be calculated with the median M’oflarge sample CV values from all yearly varietal regional tests as the origin point of the populationnormal distribution after deriving the theoratical value of standard deviation S’by screening suitablesmall probability. With this modification,no negative values appear and the coverage iS broadened,thus making the method more reasonable and suitable in application and increasing the accuracy inthe evaluation of the cultivars’scores in regional tests.

本文建议以历届区试品种CV值大样本中点值M’为总体正态分布原点,选用适宜小概率,导出标准差理论值S’后,再进行数量分类计算。经此改进后,既不出现负值,且覆盖面广,更合理适用,可进一步提高区试品种评定分类的正确性。

 
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