In the rapid prototyping technology, STL file is the data exchange standard from the CAD system to rapid prototyping manufacturing system.

STL文件是快速成型制造技术中CAD系统与快速成型制造系统之间进行数据交换的标准。

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Image vectorization refers to the process of inputting digitized pictures or drafts to the computer, and then getting CAD file by vectorizing the digital data.

图像矢量化是指将图片或工程图纸用数字化设备输入计算机中，经过矢量化处理形成CAD文件的过程。

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In this paper, we introduce feature taxonomy about rotational parts, describe PDM's data structure and use neutral file to realize the CAD/CAM integration.

介绍了研制的回转体零件的特征库、产品定义模型和数据结构，并以中性文件的形式输出产品信息，实现了CAD/CAPP的集成。

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The moral of this story is that information hoarding in order to leverage Big Data tools may work in the structured data world, but will not work in the broader information world that includes unstructured content (the Word file, PowerPoint presentations, CAD files, audio files, and other large data types that dominate corporate information stores).

FORBES: Information Governance Even More Important In The Era Of Big Data