“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	promotion policy promotion pricing promotion strategy promotion strategy promotion system promotion system promotion through examination promotor PROM (programmable read-only memory) PROM (programmable ROM) PROM (programmable ROM) PROM--PROM (programmable ROM) PROM--PROM (programmable ROM) prompt prompt prompt prompt prompt prompt prompt prompt bell prompt board promptbook prompt book prompt-box

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。