“longitudinal observation”概念、定义、翻译-科学时代

单词	longitudinal observation
释义	社会学词汇手册 longitudinal observation 纵向观察，历时观察
随便看	dichromate dichromate dichromated gelatin film dichromate treatment dichromatic dichromatic vision dichromatism dichromatism dichromatopsia dichrostachys Dichterliebe dicing dicing dicing Dickens Dickens Dickens--Charles John Huffam Dicke radiometer Dicke receiver dickinsia dicksoniaceae dicky bird Dicky-Fuller test diclinous flower dicliptera

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。