“two E （effective，efficient）”概念、定义、翻译-科学时代

单词	two E （effective，efficient）
释义	政治学词汇手册 two E （effective，efficient）双E标准（效率、效益）
随便看	book entry book entry Booker Prize book exchange book exhibition book exhibition book exhibition book expenditure book fair book fair catalogue book fee book fold book form book freight rate book freight-waiting period book from abroad book fund bookgill book gill bookholder book-hunter book industry book industry book information work booking

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。