“weeding in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	weeding in ancient China
释义	weeding in ancient China Encyclopedia 农学古代中耕除草释 weeding in ancient China古代中耕除草中国古代精耕细作农业生产中的一个环节。形成和完善，经历了漫长的时期，最终形成一套理论，成为传统农业中的宝贵遗产之一。
随便看	massless spectrum massless vector field mass levels mass line mass line in journalism mass literature Mass literature and Art mass-losing object mass-losing star mass loss mass-loss rate mass-luminosity curve mass-luminosity law mass-luminosity-radius relation mass-luminosity ratio mass-luminosity relation mass lumping Massmann high temperature furnace Massmann high-temperature furnace mass marker mass matrix mass measurement of high-energy particles mass measurement technology mass measurement with CSR mass media

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