“cost-benefit ratio of education”概念、定义、翻译-科学时代

单词	cost-benefit ratio of education
释义	教育学词汇手册 cost-benefit ratio of education 教育成本—效益比例
随便看	ocular micrometer ocular micrometer ocular peduncle ocular peduncle ocular vesicle ocular white oculist oculo- oculogyration oculomandibulidyscephaly oculomotor oculomotor control oculomotor nerve oculomycosis oculonasal oculo-vestibular disconjugation oculus oculus oculus oculus OCX ocx ocx # MicrosoftOLE控制扩展文件，可用regsvr32注册 OCX--OCX (OLE control extension) OCX (OLE control extension)

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。