“研究与开发”概念、定义、翻译-科学时代

单词	研究与开发
释义	经济学词汇手册 R & D (research and development) 研究与开发
随便看	dogfish Dogger Bank Incident doggerel Dogger Series Doggett doghouse doghouse dog in the blanket dogleg dogleg dogma dogma dogma dog mark dogmatic idealism dogmatic philosophy dogmatics dogmatic theology Dogmatic Theology dogmatic thought dogmatism dogmatism dogmatism Dogon do-gooder virus

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。

R & D (research and development)