英语词汇research and development investment的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	research and development investment
释义	research and development investment 英?[ri?s?:t? ?nd di?vel?pm?nt in?vestm?nt] 美?[r??s?t? ?nd d??v?l?pm?nt ?n?v?stm?nt] 释义 [经] 研究和发展（开发）投资
随便看	can it! can it Canitas canite canities Canities prematura canities senilis canities unguium ca nitrate canitude canity canitz can I use your phone canivorous Canizal canizales canizares Canizaro Canizo canjar can, jar Canjayar Canje Canjilon canjuers

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