Furthermore, gray relationship analysis is done to the structure of total value, and some finer results are gained.

此外，对总值构成进行了灰色关联分析，得到一些好的结果。

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Then based on relationship analysis, the gray decision-making tree method is proposed, and its decision-making steps are presented in detail.

然后基于关联分析，提出了灰色决策树的模型，并给出了其决策的详细步骤。

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Using the method of gray relational grade analysis, the relationship among the characters of big seedlings in hybrid rice and their influence on grain yeild and yeild components were studied.

应用灰色关联分析法对杂交稻秧苗性状之间的关系及其对产量、产量结构的影响进行了研究。

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