“particle density”概念、定义、翻译-科学时代

单词	particle density
释义	核科学技术词汇手册 particle density 粒子密度
随便看	engineering control network engineering control survey engineering course engineering design engineering design engineering drawing engineering drawing engineering education engineering feasibility study engineering fluid mechanics engineering for nuclear fuel reprocessing engineering geocryology engineering geological mapping engineering geology engineering goods engineering graphics engineering hydrology Engineering Index（EI） Engineering Industries Association Engineering Industries Association (EIA) Engineering Industries Association--Engineering Industries Association (EIA) Engineering Industries Group Apprenticeship Scheme Engineering Industry Training Board （EITB） engineering institute engineering level

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。