“population density”的概念、定义、翻译、参考文献-科学参考

单词	population density
释义	population density Encyclopedia 理学种群密度释 population density种群密度单位空间里种群成员个体的数量。 Astronomy population density粒子数密度 Biology population density种群密度；人口密度
随便看	sextile aspect sextillion sex toy Sextractor源提取器 sex trade sextuple sextuple space sextuple star sextuplet sextuplet, sextet sextupole Sextus Propertius sexual allocation sexual asphyxia sexual assault sexual attitudes sexual attraction sexual behavior Sexual Behavior of Human Male/Female sexual behavior of livestock sexual behaviour sexual body sexual cell sexual cheating sexual communication

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。