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research and development什么意思
research and development什么意思 research and development音标、翻译、用法
英语翻译时间:2023/3/2 2:20:46阅读:2437
research and development音标英 [riˈsə:tʃ ænd diˈveləpmənt]美 [rɪˈsɚtʃ ənd dɪˈvɛləpmənt]research and development翻译n.(产品等的)研究与开发;英英释义Research and developmentThe term R&D or research and development (also Rn