基于费率的材料成本是指定了标准费率的消费材料资源(如建筑材料)的成本。

Rate - based material costs are costs of consumable material resources, such as building materials or supplies, to which you have assigned standard rates.

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胶袋及塑料包装作出了部分从后消费材料被誉为前瞻性思考技术的时候，他们的到来。

Plastic bags and plastic packaging made partly from post consumer materials were heralded as forward thinking technology at the time of their arrival.

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将消费品与杜邦材料一起使用不会导致全氟辛酸（PFOA）的定量暴露。

The use of consumer articles with DuPont materials would not result in quantifiable exposure to perfluorooctanoic acid (PFOA).

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