针对这一问题，本文对制造过程工序间的关联性及质量特性与影响因素间的关联性进行了分析，提出了多工序制造过程质量特性关联性研究的课题。
To solve this problem, this paper has made some research on the relevance between processes and the relevance between quality and factors which affect product's quality in manufacturing period.
减少产品制造过程中出现的各种波动，正确找出制造过程中的波动源，是多工序、多变量生产系统实施质量控制和质量改进的基础。
Reducing fluctuating and finding out fluctuating resources in manufacturing process is the base of conducting quality control and improvement in multi-variable, multi-stage process.
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