水下气泡幕的激光后向散射特性与气泡密度、气泡幕距离关系密切。
The powers have relations with bubble densities, the thicknesses of bubble film and the distance between the laser and the bubble film.
同时，随着观测点在尾迹中的位置距目标船的接近，气泡密度不断增大，反射率也随之增强。
Besides, the bubble density and reflectance increased with the wake observation position approaching the target ship.
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。
The process blasted out material to form the bubble structure of glowing gas against denser material in a surrounding molecular cloud.
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