由于文档unid用于定位消息，因此移至文件夹中的所有副本也会被删除。

Because the UNID of the document is used to locate the message, any copies that have been moved to folders are also removed.

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项目文件夹与项目同时生成，默认情况下，它们直接归入到特定位置的顶级项目文件夹下。

The project folders are created at the same time as a project and, by default, they are grouped directly under the top-level project folder in specific locations.

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介绍了刀具材料、可转位刀具、双向定位刀夹、干式切削、硬态切削等切削技术方面的新进展。

Presented in this paper is a new advance in cutting tool material, index cutting tool, cutter holder for bidirection fixed position, dry type cutting, hard stale cutting etc.

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