“成本效益”概念、定义、翻译-科学时代

单词	成本效益
释义	国际贸易词汇手册 cost efficiency 成本效益
随便看	secularity secularization secularization secularization secularization secularization secularization theory secular music secular nirvana principle secular parallax secular party secular perturbation secular perturbation secular radioactive equilibrium secular religion secular school secular society secular stagnation secular stagnation secular stagnation secular subsidence secular subsidence secular supply curve secular teacher secular term

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。

cost efficiency