“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	requirements for use of tools on construction site requirements inspection requirements management requirements modeling and analysis requirements of litigation requirement specification requirements phase requirements refinement requirements review requirements specification requirements specification language requirements traceability requirements verification requisite Requisite Knowledge for the Al-chemical Laboratory requisitioned labor service requisition in emergency R-equivalence R-equivalence class RER reradiate re-radiation rerailer ReRAM reranking

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