variation reduction function 方差折减函数
Variation Reduction Techniques 第六章
Variation of the screw Angle results in reduction of purchase of the locking interface, or cross-threading the head.
螺钉角度的变异会致使锁定界面的减少或跨螺纹的头。
It provides for continual improvement, emphasizing defect prevention and the reduction of variation and waste in the supply chain.
它旨在持续改进加强，强调预防缺陷，减少在供应链中的变差及浪费。
The reduction appears some regularity in spite of it's variation in various situation.
残差平方和的减少在各种场合有所不同，但呈现出一定的规律性。
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