零件的加工工艺过程既可以通过对已存在的实例零件进行变异设计，也可以用专家系统进行创成设计。

The process planning of a part can be obtained through the variation of that of a practical case already existing, or it may be carried out through the expert system.

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本文借助零度和偏离理论探讨了诗歌语言的变异性。分别从语音、词汇、语法等角度揭示诗歌语言变异性的特点。

The article discusses the variability of poetic language by deviation theory, and reveals the characteristics of language variability on the view of sound, glossary, expression.

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但是在许多已知的与冰岛人遗传变异相关的零散变化形式中，95%在美洲印第安人身上都能发现。

But of the many known scattered versions that are related to the Icelandic variant, 95 percent are found in Native Americans.

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