试验成果表明激光散斑法与其他方法的相对误差小于5％。
The result of the test shows that the relative error between the laser speckle method and other methods is less than 5%.
将边界元分析应用于航空发动机轮盘榫槽与叶片样头联接的计算，并与激光散斑法的实测结果进行比较；
A numerical analysis of dovetail joints is made, and the results are compared with that of laser-speckles measuring.
方法：主要用激光散斑法和游标法进行暗焦点检查，并在与屈光不正的关系及仪器的稳定性进行了应用研究。
Methods Infrared and vernier means were used in the examination of dark focus. The stability, relationship between dark focus and refractive error were studied.
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