Among them the automatic generation of dimension chain is the foundation of CAT and the described design function offers basis of tolerance analysis and tolerance synthesis.

其中尺寸链自动生成是进行计算机辅助公差设计的基础，它所描述的设计函数是进行公差分析和公差综合的依据。

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Dimension chain is one of the keys and difficulties of "Manufactural Technology of Machinery".

尺寸链的教学是《机械制造工艺学》课程的重点和难点内容之一。

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The process of generating dimension chain does reflect the kernel of assembly function.

尺寸链的形成过程反映了装配函数的核心内容。

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There is a spiritual as well as practical dimension to this - with ubuntu reflecting the idea that we're part of a long chain of human experience, connecting us to previous and future generations.

BBC: Bill Clinton, Labour conference