后期树的枝条用一种特别的方法拉弯以使树预先成形好制作这种木底鞋。

Later the branches of a tree were pulled and warped in a special way to pre-shape the tree for making this type of clogs.

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过去人们认为所有的人类语言都来自于大脑内的预先编程，从人出生开始，就已经存在、成形和准备好运作了。

We used to think that all human languages arose from brain programming that existed, fully formed and ready for action, at birth.

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板料零件数控渐进成形工艺是一种通过数字控制设备，采用预先编制好的控制程序逐点成形板料零件的柔性加工工艺。

Nc incremental sheet parts forming process is a flexible process which is to form the sheet point by point on nc forming machine according to the prepared program.

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