... lethal agent 致死剂 lethal threshold 致死阈 visible lethal 可见致死 ...
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... threshold erythema dose 释义：红斑阈量,阈值红斑量,红斑阈量阈值红斑量 lethal threshold 释义：致死限值 threshold logic circuit 释义：阈逻辑电路 ...
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lethal threshold value 致死值 ; 致死阈值
median lethal threshold 半致死阈值
acute lethal intensity threshold 致死强度阈值
·2,447,543篇论文数据，部分数据来源于NoteExpress
The result showed that the UV-B radiation was very harmful to rotifers and could make acute lethal effect on them when the UV-B radiation intensity achieved some threshold.
结果表明：UV - B辐射对轮虫有较大的伤害作用，且当辐射强度达一定阈值会对其产生急性致死作用。
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