英语词汇“research development”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	research development
释义	research development un. 研究和开发 [网络] 研究开发；科研技术；国内外研究概况
随便看	insert as plain text insertation insert axes insert bearing insert between insert bit insert blank insert block insert blocks insert bolt insert camera insert card insert cartridge insert cells insertchar insert character insert chart insert chart sheet insert chip insert circuit Insert clipboard contents insert columns insert command insert cone insert copied cells 学老于年学而不厌学而优则仕学而时习之学识渊博学贯中西学非所用孧孨孩远古远因远图远在天边，近在眼前远地点远处远大远嫁远孙远客