“retrospective research”概念、定义、翻译-科学时代

单词	retrospective research
释义	社会学词汇手册 retrospective research 回溯研究
随便看	nature worship nature worship naturism naturopathy Naturwissenschaften NAT（network analysis theory） NAUA (net apartment unit area) nauclea naucum naumachia naumannite naumannite NAU (network addressable unit) nauplial stage nauplius nauplius larva nauplius larva nauplius stage nausea nausea nausea nauseant nauseating gas nauseating gas Nauta-Gygax method

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。