介绍了用自制的振源、振子来激发表面波（涟波）产生干涉，从而测出液体的表面张力系数的方法。

This paper presents a method of using self made vibration source and vibrometer to excitc surface waves (ripples) to produce interference.

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分别介绍了利用简单阈值裁剪法与相关系数裁剪法对仿真干涉图的处理结果。

The processed results of the simulation interferogram obtained with simple threshold cutting method and correlation coefficient cutting method are introduced, respectively.

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应用应力—强度干涉理论，将传统安全系数与可靠性同时进行分析，重新建立安全系数的度量指标。

Interference theory of application stress-intensity, analyze the traditional safety factor and the reliability simultaneously, reset the measuring index of safety factor.

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