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It possesses the following characteristics :Firstly, it is a kind of preventative cost management ;
它具有以下特征：第一，它是一种预防性的成本管理；
youdao
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It possesses the following characteristics :Firstly, it is a kind of preventative cost management ;
它具有以下特征：第一，它是一种预防性的成本管理；
youdao