Product performance, as the core of product design , governs the design activity throughout the entire process.

产品性能作为产品设计的核心, 贯穿产品设计的整个过程.

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The design activity starts from making the design concept till mass production problems follow up.

设计过程包括从产品设计理念出台直至产品生产的一系列后续问题.

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A description of all design metrics to be used during design activity is noted here.

在这里详细描述设计期间所用到的规格.

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