The structure of the cavitation bubble cloud is featured by the regional distribution of cavitation bubbles. Within a range of ultrasonic power levels the structure remains stable.
空化泡群的结构以空化泡在声场中的区域化分布为特征。在一定功率范围内空化泡群的结构保持稳定。
Barcelona's Cloud 9 loosely conceived of a vehicle that is both light and flexible-a bubble with soft skin and photovoltaic dots that generate energy.
巴塞罗那的“9号云”设想出一种既轻盈又灵活的车辆——一个外表柔软，利用光电小突点发电的泡泡机。
The process blasted out material to form the bubble structure of glowing gas against denser material in a surrounding molecular cloud.
这个过程形成的炽热气泡结构恰好可以抵御周围分子云中密度更高物质的压力。
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