The vibration of a thin elastic spherical shell in a bubbly layer is analyzed theoretically so as to investigate the effect of bubbly layer on structural vibration.
对气幕中弹性薄球壳的振动进行理论分析，以探讨气幕对结构振动的影响。
The effect of bubbly layer on propulsion performance of planing craft is investigated by means of self-propelled model experiment in the towing tank of China Ship Scientific Research Center.
在中国船舶科学研究中心拖曳水池中，通过滑行艇模型自航试验，研究了艇底气层对滑行艇推进性能的影响，结果表明：气层对采用水螺旋桨推进的滑行艇推进性能的影响不大。
My baby was born just two weeks, has been talking about a layer of bubbly off-white translucent things, I do not know what is?
我的孩子刚出生半个月，嘴上一直有一层灰白色半透明的泡状东西，不知道是什么？
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