“retrospective study”概念、定义、翻译-科学时代

单词	retrospective study
释义	统计学词汇手册 retrospective study 回顾研究
随便看	six transformations sixty duty deities for sixty days sixty-fourmo Sixty Minutes Sixty-two Heterodox Views six vital substances for life processes six ways six ways of transmigration six-year high school Six，Les size size size size size analysis size analysis size analysis size analysis by sieving size and growth rate size and shape size code size comparison size composition size constancy size control

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。

retrospective study