The key point of this method is to find out the item which is of low mean value but of high relative coefficient, which will provide basis of decision making for later training.
利用四象限分析法处理培训评估调查数据，其核心思想是找出那些均值低但相关系数高的评价项，为以后的培训决策提供依据。
On the basis of the changed value of oxidized elements and atoms in the oxido-reducing reaction, relative coefficient is adopted to make it easy to equalize square equation.
配平氧化还原反应方程式的原则是：还原剂氧化数升高的数值等于氧化剂氧化数降低的数值。
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