- 释义：
- adj. 光化作用的; 光化学的
n. 光催化学物
- 例句：
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The role of photochemical reactions in soil pesticide degradation remains uncertain.
光化学反应在土壤中的农药的降解方面的作用还没有确定.
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The photochemical effect has been reproduced many times in laboratory experiments.
光化学效应在实验室试验中多次复制.
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Ozone is formed in the stratosphere and mesosphere by photochemical processes.
由于光化过程,在平流层与中层内产生了臭氧.
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