...评价_stmopen 关键词】: 马铃薯晚疫病 化学药剂 防治效果 经济效益 [gap=1054]Keywords】: Potato late blight,Chemical agent,Control effect,Economic effectiveness ...
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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
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
This is a chemical agent that destroys plants or inhibits their growth.
这是一种能除草或抑制其生长的化学药剂。
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。
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