For assessment effect of cloud seeding for agriculture, contribution coefficient of precipitation to crop production was obtained using integral regression of precipitation.
为评估增雨对农业的影响，利用自然降水对农作物产量贡献的积分回归，获得降水对农作物贡献系数。
Several Methods of Calculation Break-Even Point are introduced in the paper, with detailed analysis, illustration and inquisition into Contribution Margin Method and coefficient Methed.
本文介绍了预测保本点的几种方法，着重对贡献毛益法、系数法进行详细的分析、说明、探讨，并对它们适用范围进行归纳汇总。
By analyzing the degree of contribution, we can find whether the selection of Similarity Coefficient or Distance formula is suitable and whether the number of partition is optimal.
它以距离概念为基础，通过对贡献度的分析，检验相似系数或距离公式的选取是否恰当，分类数的选取是否为优。
By analyzing the degree of contribution, we can find whether the selection of Similarity Coefficient or Distance formula is suitable and whether the number of partition is optimal.
它以距离概念为基础，通过对贡献度的分析，检验相似系数或距离公式的选取是否恰当，分类数的选取是否为优。
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