其结果对于正确理解微电子材料cmp加工中的材料去除机理具有实际意义。

The results are important for the understanding of the mechanism of material removal in the CMP of microelectronic materials.

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原材料、加工中的材料，和成品都要进行阶段性品质检验，以确保每个生产阶段都于所需求的规格和品质一致。

Raw ingredients, in-process materials, and finished peoducts are tested for conformity and quality to written specifications at each stage of production.

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不过，把收集与加工原始生产材料所产生的污染成本计算到总成本中，才是最有效的措施。

But the most effective policy would be to incorporate the costs of the pollution caused by gathering and processing virgin materials into their prices.

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