关键词 ]应急物流；规划优化；集合覆盖模型；可行性定位法；阶段性 [gap=624]Keywords: emergency logistics; design optimization; set cover model; feasible location method; periodical
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Based on the setting up o failure mode's testing model, the adequacy measurement and criterion of test cover for the sample set are proposed.
在建立故障模式测试模型的基础上，提出了样本集的测试覆盖充分性度量和准则。
Set up the mathematic model of cover curve to avoid the radial displacement error which evocabled by the thickness of vane.
通过建立数学模型以消除叶片厚度引起的径向位移误差。
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