arableadj.可耕的；适合种植的n.<英>可耕地arable land classification农用地分等arable land equivalent unit农田当量arable land retain quantity耕地保有量Arable land resource database耕地资源数据库arable land reserve resources耕地后备资源arable farming/farms/crops耕作农业/农场/庄稼arable land's production efficiency欧芹潜伏弹状病毒Arable land non-agriculturalization耕地非农化arable land property right institution农地产权制度