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争论的核心针对有毒落叶剂的问题。悬铃木集中落叶的化学调控研究及落叶剂的配制筛选
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Defoliant: Chemical dust or spray applied to plants to cause their leaves to drop off prematurely.
落叶剂: 落叶剂是一种化学粉剂或喷洒剂,施于植物以使树叶提早掉落.
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During the Vietnam war, thousands of hectares of forest were destroyed with chemical defoliant.
越战期间,数千公顷的森林被化学落叶剂摧毁了。
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- 相关词组
- chemical element化学元素;
- chemical composition化学成分[组成];
- second chemical equilibrium二次化学平衡
- standard chemical potential标准态化学位
- chemical compound化合物;
- chemical engineers[医]化学工程师;
- induced chemical reaction感应化学反应
- chemical fibern.化学纤维;
- starch-liquifying chemical淀粉化学液
- chemical fertiliser化学施肥
- chemical fibre化学纤维,化纤;
- chemical engineeringn.化学工程;化工;
- Chemical Analyst化学分析员;化学分析测试员
- chemical resistance化学阻力,耐化学性;
- incomplete chemical combination不完全化合
- chemical experiment化学实验;
- chemical bondn.化学键;
- chemical change化学变化;
- chemical analysisn.化学分析
- chemical warfaren.化学战;
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