chemical agent 化学药剂 ; 化学制剂
microelectronic chemical agent 微电子工业用化学试剂
chemical agent detector tube 侦毒管
chemical agent detector paper 侦毒纸
precursor of chemical agent 毒剂前体
chemical agent aerosol 毒剂气溶胶
chemical agent decontamination [军] 毒剂消毒
Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.
科学家首次提出这个问题是在20世纪90年代中期。当时，研究人员偶然发现一种化学药剂，这种药剂在啮齿动物身上似乎可以发挥和热量限制相同的正面效果。
The chemical agent must be delivered in order to threaten someone, and the threat can be countered.
化学毒剂必须通过投放来实现威胁，而且这种威胁可以防范。
Lethal chemical Agent Countermeasures reviews some of the measures taken to defend against chemical attack.
致死性化学毒剂对策，综述了防御化学袭击的措施。
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