...; development and study; development research; development study; r and d; research and development 加拿大国际开发研究中心 canadian international development research centre ..
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R and D Engineer 研究开发工程师 ; 研发工程师
drilling R and D 钻井研究开发
Senior A r and d 仪器分析研究员
Galderma R And D 申请人
R&D Research and Development 研究与开发 ; 研究和开发 ; 探讨与开辟 ; 研发
r and d Assistant 研发部助理
New R and D 新研发类
r and d center 研发中心
What's your budget for R and D?
贵厂的预算研发费用有多少?
Joan works in the R and D department.
琼斯在研发部门工作。
What we cannot account for is the R and D that goes into the product, as well marketing, etc…
但我们没办法计算的是设计研发成本、产品销售推广等等都需要花钱。
The American Food and Drug Administration says R.F.I.D.tags act like an electronic safety net to make it easier to catch counterfeits.
VOA: special.2010.03.01
So if we want to talk about the volume of that, we just talk about the surface area, which is 4 pi r squared, and we multiply that by the thickness d r.
如果我们要讨论它的体积,我们要用的是表面面积,也就是4πr的平方,乘以厚度dr
r And what that is the probability of finding an electron in some shell where we define the thickness as d r, some distance, r, from the nucleus.
在某个位置为,厚度为dr的壳层内,找到原子,的概率,我们来考虑下我们这里所说的。
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