Using the gravity center of the Fuzzy Set as the common standard, it is entirely possible to analyze the grade distribution to the basic evaluation indexes, the middle and final evaluation result.

采用模糊集重心作为共同的标准，完全有可能分析基本评价指标、中间和最终评价结果的等级分布。

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Another common reply is (3) climb atop the blades and position your center of gravity over the axis.

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