The research of this paper has some practical value, although increasing the cost, it also increase the value of the product, and more important, it increase the core competitiveness of product.
本文的研究内容具有一定的实际应用价值，在增加成本的同时，也增加了产品的价值，更增加了产品的核心竞争力。
The research of this paper has some practical value, although increasing the cost, it also increase the value of the product, and more important, it increase the core competitiveness of product.
本文的研究内容具有一定的实际应用价值，在增加成本的同时，也增加了产品的价值，更增加了产品的核心竞争力。
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