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	orthogonal set orthogonal signal orthogonal signals orthogonal signal set orthogonal space orthogonal space of factor orthogonal space-time orthogonal sphere orthogonal square orthogonal squares orthogonal state orthogonal states orthogonal stochastic process orthogonal straight line orthogonal subspace orthogonal subspaces orthogonal substitution orthogonal sum orthogonal surface orthogonal system orthogonal system of curves orthogonal system of functions orthogonal system of hypersurfaces orthogonal table orthogonal template 走马上任走马到任走马看花走马章台走马观花走马赴任赱赲赳赳1 シュウカツシュウカンシュウカンシュウカンシュウカンシュウカンシュウカンシュウカンシシュウガクシュウガク