For copper, she said, the LC50 (the concentration lethal to half of any given species over a certain time) decreases with temperature - meaning that toxicity increases.
她说，对于铜来说，半数致死浓度lc50(一定时间内受试动物半数死亡的毒物浓度)随温度减弱-这就意味着毒性增加。
With the increase of soil depth, daily variation amplitude of soil temperature decreases.
随着土壤深度的增加，地温日变幅逐渐减小。
In the subsystem of air cycle, temperature in all state points decreases with the increasing altitude.
在空气循环子系统中，各状态点的温度都随飞行高度的增加而减小。
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