“population density”概念、定义、翻译-科学时代

单词	population density
释义	社会学词汇手册 population density 人口密度
随便看	bookstore retail space bookstore return policy book supply-demand balance book support book surplus books wanted booktheft book-to-bill ratio book token book token book trade directory book trade prescriptive custom book tray book trough book turnover book turnover frequency book unit award plan book value book value book value book value book value book value book value book value

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。