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lethal dose 50 (LD50); medial lethal dose | |||
half lethal dose | |||
fifty percent kill; lethal dose; lethal dose fifty percent | |||
lethal dose 50%; median fatal dose | |||
lethal dosage 50%; median lethal dose (LD50) | |||
median lethal dose | |||
median lethal dose (在规定时间内,生物群体的50%死亡所需的吸收剂量) | |||
50% lethal dose | |||
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semilethal |
半致死剂 量 : 5 短语, 3 学科 |
农业 | 1 |
技术 | 1 |
电子产品 | 3 |