“urea herbicide”的概念、定义、翻译、参考文献-科学参考

单词	urea herbicide
释义	urea herbicide Encyclopedia 农学脲类除草剂释 urea herbicide脲类除草剂一类光合作用光系统PS Ⅱ电子传递抑制剂或细胞分裂抑制剂。结构式中R1一般为取代苯环或五六元杂环及稠合环，脂肪链组成的桥连环也可以，但以取代苯环居多；R2大多为氢；R3一般为短链的脂肪烷烃；R4一般为氢、短链的脂肪烃或烷氧基。
随便看	representation of a topological group -representation of Banach -algebra representation [of Banach algebra algebra] representation of Banach algebra algebra representation of compact group representation of direct product representation of feed nutrients representation of interaction representation of mathematical objects representation of numbers representation of quantum state representation of residence representation of semantic categories representation of solution by complex variable functions representation of spatial relations representation of symmetric group representation of terrain representation problem representation ring representations representation section representations of a Lie algebra representations of Hilbert space representations of space representation space

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