字典網>> 英漢字典>> R開頭詞條>>research and development budget的意思 漢英字典research and development budget中文翻譯：【經】 研究和發展(開發)預算英文字典 相關詞條：research-on-research research program research on advertising research and development cost research trial research aeroplane research bureau research project research subject research-oriented computer