“ancient farming system”的概念、定义、翻译、参考文献-科学参考

单词	ancient farming system
释义	ancient farming system Encyclopedia 理学古代耕作制度释 ancient farming system古代耕作制度中国古代以土地利用为基础、以农作物种植制度为中心的综合技术体系。
随便看	sediment gravity flow sediment incipient motion sediment measurement sediment meter sediment microbe sediment monitoring sedimentology sedimento-metamorphic iron deposit sediment pollution sediment property sediment quality criteria sediment regulation of reservoir sediment resources sediment sampling sediment sampling technique sediment settling sediment settling velocity sediment storage dam of soil and water conservation sediment through turbines sediment transport rate sediment transport rate per unit width sediment transport through pipeline sediment trap sediment-uplift by waves sediment utilization

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