The combinational evaluation method which combines TOPSIS with gray correlation degree analysis can improve validity of the evaluation result.
以理想解法和灰色关联度分析法为基础进行组合，得到的组合评价方法能够提高评价结果的有效性。
The sequence of emergence of seeding rate and tiller number affected by every index is elicited respectively by gray correlation degree analysis.
通过灰色关联度分析得出各项性能分别与出苗率、冬前分蘖数的关联度大小排序。
The typical fault was analyzed with the gray correlation degree analysis, and the satisfying results were gotten, which shows the method can be applied in condition monitoring of engine.
通过分析典型故障取得了满意效果，说明该方法可以对发动机系统进行状态监测。
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