“研究和开发”的概念、定义、翻译、参考文献-科学参考

单词	研究和开发
释义	研究和开发 research and development(R&D)
随便看	needlepoint compliance needle pointer needle point file set needle point grinding needle point lace needle point method needle point spark gap needle powder needle press needle pressure needlepricker needle-pricking method (针刺疗法之一) needle probe needle protea needle pushing-up device needle raising cam needle recuperator needle rest needle ring needle roll needle roller needle roller bearing needle roller bearing with variation needle rollers needle roller thrust bearing

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。