The changing logistic environment has led to the advancement of the cost accounting method in a logistics enterprise.
物流环境的变化引起了物流企业成本核算方法的改变。
So changing tradition cost management mode, introducing new cost management idea, analysis method and tool have become very necessary.
改变传统成本管理模式，引入新的成本管理思路、分析方法和工具已非常必要。
Statistic method is used to study drilling cost and its regularity changing.
应用概率统计的方法研究了小井眼钻井成本及其变化规律。
The results show that this method not only can increase the brightness of paper by 2~3% without changing primary process, but also can be easily controlled with low cost.
本文根据调色原理，对提高纸张白度的方法和影响因素进行了研究。
The results show that this method not only can increase the brightness of paper by 2~3% without changing primary process, but also can be easily controlled with low cost.
本文根据调色原理，对提高纸张白度的方法和影响因素进行了研究。
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