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density of population per unit of cultivable area
释义
人口学词汇手册
density of population per unit of cultivable area
单位可耕地人口密度
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origination fee
originator
originator
originator
originator
origin centre
origin country
origin criteria
origin-destination survey
origin marking
origin of a datum
origin of coordinates
origin of coordinates
origin of crops
origin of fire
origin of infant's self-consciousness
origin of language
origin of longitude
origin of longitude
origin of replication
origin of shipment
origin of species
origin of species
origin of species
origin of species
科学时代收录了1160609条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。
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