提出了一种基于特征的动态滑动匹配算法，用于从零件CAD产生的图形交换文件中识别基孔类型、提取基孔的形位参数。

A feature based dynamic slide match method for recognizing holes type extracting holes shape and location parameters from CAD exchange files is propsed.

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这几乎被所有用户作为一个特性而不是一个bug：一个负的32位参数或者一个巨大的64位参数本质上总是一个编程错误。

This is considered by nearly all users as a feature rather than a bug: a negative 32-bit argument or a huge 64-bit argument is essentially always a programming mistake.

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第二个参数是所需传感器的位掩码。

The second parameter is a bitmask of the desired sensors.

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