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maximal no-effect level
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maximal no-effect level
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最大无作用剂量
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maximal no-effect level
最大无作用剂量
某种外源化学物在一定时间内按一定方式或途径与机体接触后,根据现有认识水平,用最为灵敏的试验方法和观察指标,未能观察到对机体造成任何损害作用或使机体出现异常反应的最高剂量。
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description element
description format
description logic
description of an algorithm
description of a set
description of entrustment of case submission for inspection
description of fluid motion
description of objects
Description of the Barbarians of the Isles
Description of the Earth(Eudoxe de Cnide)
Description of the Materia Medica
description operator
Description Plates for Cultural Relics on Display
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description term
description theory
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descriptive analytics
descriptive astronomy
descriptive bibliography science
descriptive biology
descriptive case
Descriptive Cataloguing Rules for Western Language Materials
descriptive complexity
descriptive connection
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