Product wear is moinly attributive to variable factors.
构成产品磨损的诸多因素中,多数为可变因素。
It is a problem related to variable factors by optical emission spectrometry to analyse calcium in steel.
利用发射光谱分析钢中钙,是一个涉及多个可变因素的问题。
Analysis on the effect of parameter estimation and forecast accuracy according to the select of variable factors.
变量因子选择对参数估计和估测精度的影响分析。
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