When light from an object such as a machine part strikes the camera, the sensitive materials measure the intensity of light and convert the light rays into a range of numbers.
当一个物体上的光，如机器零件，照射到相机上时，敏感材料就可测量出光的强度，把光线转换为一组数字。
Accurate dimension and geometry of a machine part are key factors ensuring its desirable functions and interchangeability.
机件的尺寸精度和几何精度是保证机件功能要求及互换性的关键因素。
Disclosed is a grease composition excellent in fretting resistance and versatility. Also disclosed is a machine part using such a grease composition.
本发明提供一种耐磨损性和通用性优异的润滑脂组合物，以及使用该润滑脂组合物的机械部件。
A new method of shock and rolling is introduced for surface-strengthening of machine part. The technology and its potential applications are described in detail.
介绍一种用于零件表面强化的新方法—冲击滚压。分析了该项技术的特点及其应用前景。
This paper introduces the practical process in the CAD teaching of Machine-part Design, and discusses the teaching method in this course.
介绍了机械零件课程设计CAD方法的实践过程，讨论了该课的CAD教学方法。
This paper introduces the practical process in the CAD teaching of Machine-part Design, and discusses the teaching method in this course.
介绍了机械零件课程设计CAD方法的实践过程，讨论了该课的CAD教学方法。
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