色彩设计是现代产品设计的一个重要方面，了解产品色彩设计的因素，分析其形成的原因，对产品设计至关重要。
Color design is an important aspect of modern product design. It is very important to understand the factor of the product color design and analyze the cause for product design.
对支持产品设计决策的质量信息的特点进行了分析，按照质量因素将面向产品生命周期的质量信息进行了分类。
Based on analyzing the characteristics of quality information that supporting design decision, the paper firstly classifies quality information according to factors that affects product quality.
论述了产品设计工时定额的作用，分析了产品设计工时定额的影响因素。
The function of product design time quota is discussed and the influencing factors is analysed.
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