由于光化过程，在平流层与中层内产生了臭氧。
Ozone is formed in the stratosphere and mesosphere by photochemical processes.
条纹管可用于激光物理学，光化学，光生物学等领域的超快速过程诊断。
The streak tube can be used for ultra-fast process diagnosis in laser physics, photochemistry, photobiology, and so on.
第三种形式的非热逸过程叫做光化学逃逸，只见于火星，但土卫六也可能存在这种现象。
A third nonthermal process known as photochemical escape operates on Mars and possibly on Titan.
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