“cost-benefit ratio”概念、定义、翻译-科学时代

单词	cost-benefit ratio
释义	旅游词汇手册 cost-benefit ratio 成本收益率
随便看	gamete gamete gamete gamete gamete backcross game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory game theory gametic incompatibility gametic isolation gametic mortality

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。