“subsistence agriculture”概念、定义、翻译-科学时代

单词	subsistence agriculture
释义	历史学词汇手册 subsistence agriculture 生存农业（指收成仅够自身食用的耕作）
随便看	substance and function substance dependence substance economy substance global biogeochemical circulation substance justice substance learning substance of economic law substance P substance P substance species in seawater sub-standard substandard substandard substandard health insurance substandard housing substandard insurance substandard life substandard loan substandard loan substandard performance substandard performer substandard product substandard risk substantia hyalina substantial appreciation of prices

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。