制造过程中影响质量的因素信息是支持保质设计决策需求信息的重要组成部分。
Causes of quality problems in manufacturing process is an indispensable part of information which is necessary for supporting design decisions for quality.
本文论述了保质设计产生的背景、基本思想，提出了保质设计的实施过程模型。
The paper describes DFQs developing background, basic idea and puts forward its implement process model.
围绕着产品质量展开的保质设计，首先要解决质量需求在各阶段的无误传递，即质量等价转换问题。
The principal problem is that quality needs are transferred correctly, i. e. quality conversion equally in design for quality.
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