Based on the multilevel threshold de-noising method foundation, mean value approximation (MVA) was used to pretreat the noising image.
在多层阈值去噪方法的基础上，采用均值逼近法对含噪图像进行预处理。
Eva is a method of evaluating the business achievements in western countries, REVA and MVA are its rectification and improvement. But they still have some flaws and limits.
EVA是西方近年来兴起的一种经营业绩评价方法，REVA、MVA则是对EVA的修正和完善，但也存在不足与局限。
OBJECTIVE To explore whether multi Vari Analysis (MVA) is a significant Analysis method on regulation of the entire process and its quality characteristics.
目的探讨多变异分析(MVA)在工作中各环节全过程质量特征及方法。
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