“long-term rotation grassland”的概念、定义、翻译、参考文献-科学参考

单词	long-term rotation grassland
释义	long-term rotation grassland Encyclopedia 农学长期轮作草地释 long-term rotation grassland长期轮作草地利用期限5年以上的轮作草地。
随便看	homotopy of maps homotopy operation homotopy operator homotopy pair homotopy parameter homotopy path homotopy polynomial homotopy principle homotopy pro-group homotopy property homotopy relation homotopy resolution homotopy resolvent homotopy sequence homotopy set homotopy-simple space homotopy sphere homotopy-stable mapping homotopy system homotopy theorem homotopy theory homotopy to zero homotopy transgression homotopy type homotopy type invariant

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