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

单词	research-and-development
释义	research-and-development un. 研究与发展；研究和发展；开发研究；开发研制
随便看	fold sth into sth foldstool folds up fold surface fold system fold tectonics fold test fold testing fold-thrust fold-thrusts fold-top car fold train fold unit foldup fold-up fold up fold-ups foldure fold-wedge fold with fractures fold with lenses fold wrapping machine foldy foldyard foldyards 天不言自高，地不言自厚天不语自高，地不语自厚天不转地转天不转地转，山不转水转天不转地转，山不转路转天不长眼天不颇覆，地不偏载天与三台座，儒开百氏宗。天与三台座，名成八阵图。天与不取，反受其咎解禁解答解約解纜解職解脱解説解読解釈解錠