Based on the function structure tree and the failure data of a CNC grinding machine, the failure positions and failure causes of the CNC grinding machine were analyzed in this article.

基于功能结构树，根据某数控磨床的故障数据，对其故障部位及故障原因进行了分析。

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In the light of the method of Top-Down, the author put forward the concept of product function structure tree, which was used to express the product's function structure during the conceptual design.

根据自顶向下的设计思想，提出了产品功能结构树的概念，并以此来描述产品的功能结构。

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The tree-edit function takes a zipper structure, a matcher function, and an editor function.

tree - edit函数获取一个zipper结构、一个matcher函数和一个editor函数。

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Ultimately, higher tree mortality may lead to significant shifts in forest structure and function, the report states.

CNN: Global warming threatens forests, study says