“research and development”概念、定义、翻译-科学时代

单词	research and development
释义	请查阅research and development--research and development (R & D)
随便看	beneficiation benefit benefit benefit benefit benefit benefit benefit benefit benefit approach to taxation benefit association benefit cluster benefit cluster benefit concept benefit continuity of education investment benefit cost benefit-cost analysis benefit-cost analysis benefit-cost analysis benefit-cost model benefit-cost ratio benefit-cost ratio benefit-cost ratio benefit-cost ratio benefit-cost ratio

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。