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.
把表面张力的能量当作高阶小量、导出了非传播孤立波的基本方程，得到的解与实验结果相符。
The contradictory between experiments and theory about the effect of the surface tension on the non-propagating soliton was discussed in this article.
本文根据波动理论推导出在重力作用下波的传播速度表达式，分析了微小波动中表面张力的作用。
Based on the mechanics of wave, the expression of water wave propagation velocity under the action of gravity is deduced and the effect of surface tension on small wave is analyzed.
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