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	expansion U-bend expansion unit expansion valve expansion-valve expansion valve gear expansion valve with pilot valve expansion vessel expansion washer expansion wave expansion work expansive expansive action expansive agent expansive agent for cement slurry expansive bit expansive bits expansive cement expansive cement concrete expansive cement concrete pavement expansive classification expansive clay expansive colour expansive colo(u)r expansive concrete expansive curvature 白发老翁如鹤立，麦场高处望云开白发老闲事，青云在目前。白发苍苍，步履维艰白发苍苍，老态龙钟白发苍颜，朽株枯木白吃一只羊，最后却付了一头牛白吃人家的萝卜还嫌辣白吃包子嫌面黑白吃萝卜还嫌辣白吃饭ビオトープ［Biotop］ビオラビオラ［viola］ビオロンビオロン［violon］ビオンビオンビオンビオンビカ