r and d中文什么意思

R and D,R & D
＝research and development 研究与发展。

• r:     r ＝ 1.refrig ...
• d:     CD ＝ 400. DC ...
• drilling r and d:    钻井研究开发

例句与用法

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1. Therefore , domestic r and d and life - long education must receive ample emphasis
   因此本土研发终身学习等都值得全力推动。
2. The rajas of outsourcing are taking on r and d and computer - aided engineering
   Google在过去也曾多次入选该排行榜，并且位居第一。
3. Kevin and joanna are discussing the importance of r and d in relation to the development of the company
   凯文和乔安娜正在讨论研发对公司发展的重要性。
4. Joanna : research and development , without a doubt . without the proper r and d to get a product started , it won ' t go anywhere
   乔安娜：毋庸置疑，是研发。没有适当的研发来推出新品，一切就都免谈了。
5. Lester ： i agree , but remember , our investors may see r and d costs as money spent without the possibility of an immediate return
   雷斯特：我同意，不过要记住，我们的投资者可能会将研发成本视为无法立即回收的投资。