“ROI (return on investment)”概念、定义、翻译-科学时代

单词	ROI (return on investment)
释义	商务词汇手册 ROI (return on investment) 投资回报
随便看	sunshade sun shade sunshade net sunshine sunshine sunshine sunshine bread sunshine duration sunshine law sunshine law sunshine record sunshining interval coefficient sun's latitude sun's longitude sunspace sunspot sunspot sunspot sunspot sunspot sunspot sunspot activity sunspot component sunspot cycle sunspot cycle

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。