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.
李源的画内敛、纯粹、富有意蕴，在有限的视觉表现中蕴涵着一种精神的张力。
Li Yuan's artworks are introvert, pure and rich in inner meaning, which contain a kind of spiritual tension in limited visual expression.
对于低链条张力(无源)方面，这管筒应大大超过了高度紧张的一面。
For the low chain tension (passive) side, this tube shall be significantly longer than the high tension side tube.
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