“population density”概念、定义、翻译-科学时代

单词	population density
释义	天文学词汇手册 population density 粒子数密度
随便看	birdyback birdyback service Bird-Young filter birefringence birefringence birefringence birefringencemeter birefringence of flow birefringent crystal birefringent crystal birefringent effect birefringent polarizer birimintingo Birka Birkeland current Birkenhead Birkhoff interpolation birlie birlie Birmingham Hippodrome Birmingham Mail Birmingham Political Union Birmingham Post Birmingham Repertory Theatre Birmingham Royal Ballet

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。