The article puts forward computer aided design (CAD) method used for a light flexural vibration of the ultrasonic spot welding machine.

该文提出了超波声点焊机轻型弯曲振动系统的CAD（计算机辅助设计）方法。

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In this paper, the principle of the fault dispersive spot effect and the method used in processing the information of the partially coherent light of the di-Spsrsive spot diagrams are explained.

本文讨论了错位散斑效应的原理和散斑图的部分相干光信息处理的方法，并给出利用该效应进行纤维板试体无损检测的实验结果和照片。

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This paper is concerned with the laser ignition performance of energetic material affected by the light spot diameter using photoelectric method.

用光电探测法研究了激光光斑直径对含能材料激光点火特性的影响。

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