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	vertical straight-tube (type) heat exchanger vertical strata vertical stratification vertical stratigraphic section vertical stress vertical stress component vertical stretching vertical strip vertical strip camera vertical stripe vertical stripes vertical strip storage vertical stroke vertical structure vertical structure equation verticalstud vertical stuffing box vertical stylus forces vertical sualci vertical subheading vertical submerged anti-corrosion pump vertical submerged pump vertical submerged-tube boiler vertical suction vertical summetry 找不着门找个棱缝下刀子找个缝下蛆找乐子找借口找出路找到了线头，疙瘩才会解开找台阶下找后台找后账出はらう出は入り出ばる出まかせ出まち出まわる出むかえ出むく出もどり出よう