uppermost levels of the atmosphere

The ionization in the upper atmosphere is caused by ultraviolet rays form the sun.

上层大气中的电离作用是太阳的紫外线引起的。

Passive detection of the upper atmospheric wind field of the Lorentzian profile

洛仑兹光谱线型的上层大气风场被动探测

the upper [middle, lower] region of the air

大气的上[中，下]层

the tenuity of the upper atmosphere.

大气层的上部空气稀

upper atmosphere

【气象学】(对流层以上的)高层大气

the atmospheric layer between the troposphere and the mesosphere.

位于对流层之上中间层之下的范围的大气。

Recent Advances in the Study of Atmospheric Vertical Structures in Upper Troposphere and Lower Stratosphere

上对流层/下平流层大气垂直结构研究进展

the space ship flies into the sky and flies through the aerosphere.

宇宙飞船直上九霄, 最后飞离了大气层。

SUPARCO (Space and Upper Atmosphere Research Committee)

航天空间与大气上层研究委员会

pollution has destroyed the aerosphere to some extent.

污染在一定程度上破坏了大气层。

entry corridor

进入（大气层）走廊

This region is called exosphere.

这层大气称为外逸层。

higher layers (of the stratosphere)

比平流层更高的大气层

the outermost atmospheric layer.

大气层中最外面的一层。

general circulation of stratosphere and mesosphere

平流层和中层大气环流

upper atmosphere aerodynamics

高层大气空气动力学

reentry aerodynamics

再入大气层空气动力学

The atmosphere is a continuous layer of gases.

大气圈是连续的气体层。