This paper describes the structure and principle of high-speed mechanical scanning system, and analyses the errors in the system.
本文介绍了高速机械扫描系统的结构和原理，分析了它的精度。
By means of scanning electron microscope and micro-hardness, the interfacial structure and mechanical properties of the metal composite were analyzed.
借助扫描电镜、显微硬度分析了复合材料界面结构及力学性能。
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