harefoot trefoil (trifolium arvense) 兔足三叶草 harmful substance 有毒物质 harvestedherbage 收获的牧草[在某一简单的收获或者系列的收获中,单位草地平面或者物体表面的大上被机械收割的牧草量] ..
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toxic and harmful substance 有毒有害物质
potentially harmful substance 可能有害物质 ; 潜在有害物质
harmful substance and reagent 危险物质或制剂
chemical harmful substance monitoring [环境] 化学有害物监测
concentration of harmful substance 有害物质浓度
limit of harmful substance 有害物限量
Exposure to a harmful substance 危险物接触
harmful substance report 有害物质报告
Poisonous and harmful substance 有毒和有害物质 ; 有毒有害物质
The harmful substance in Chinese medicinal material mainly includes pesticide, heavy metal, microorganism, etc.
中药中有害物质主要指农药、有害重金属、微生物等。
参考来源 - 中药中有害物质污染状况与检测研究The method to examine the harmful substance had good reproduction quality and high returns-ratio characteristic, then it was simple, fast, accurate, thus reduced the labor intensity, raises the working efficiency.
8.采用的有害物质测定方法均有具有重现性好和回收率高的特点且简便、快速、准确,从而减少了劳动强度,提高工作效率。
参考来源 - 天水洋蓟罐藏工艺、营养品质及有害物质残留测定的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The utility model provides a gas mask for operating personnel who works with harmful substance.
本实用新型提供了一种用于从事有害物质作业人员的防毒面罩。
In recent years, it has become more and more stringent to control over harmful substance contents in textiles among the nations in the world.
近年来，世界各国对纺织品中的有害物质含量的控制已越来越严格。
"Incident" means an event involving the actual or probable discharge into the sea of a harmful substance, or effluents containing such a substance.
“事故”系指涉及实际或可能将有害物质或含有这种物质的废液排放入海的事件。
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