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

单词	ancient multiple cropping system
释义	ancient multiple cropping system Encyclopedia 理学古代耕作制度释 ancient multiple cropping system古代复种制在同一块土地上一年内连续种植超过一熟（茬）作物的种植制度。
随便看	traction lift traction motor traction of fracture traction power supply system of high speed maglev train traction power supply system of medium and low speed maglev train traction relief traction substation traction system traction transformer tractive chain conveyor tractive force tractive force of train Tract of the Quiet Way of the Thearch Lord Wenchang tractometer tractor tractor airscrew tractor and semi-trailer tractor feeder tractor skidding tractory tractricoid tractrisoid tractrix tractrix evolute tractrix radial curve

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