糖尿病视网膜病变(diabetic retinopa-thy,D R)是糖尿病最早的并发症之一,流行病学研究发现糖尿病视网膜病变呈逐年增高的趋势,已成为中老年人群致盲的主...
基于2个网页-相关网页
China D&R EaSoN Remix 心爱的人唱一首歌
China D&R Zas Remix 白玫瑰的葬礼
D R Stone 标签
D R Peevy 标签
D R Carson 标签
R&D 研发 ; 研发部(Research & Developing) ; 研究与开发 ; 索典
D R Skinner 标签
D R Will 标签
·2,447,543篇论文数据,部分数据来源于NoteExpress
ABBREVIATION for debtor 欠债人
We're saying the probability of from the nucleus in some very thin shell that we describe by d r.
某一非常薄的壳层dr内,一个原子的概率,你想一个壳层时。
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
a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.
在某个地方的完美球型壳层,厚度,我们把它叫做4πr平方,我们仅仅是把它,乘以概率密度。
In August,American Secretary of State Hillary Clinton promised more than seventeen million dollars to fight sexual violence in the D.R.C.
VOA: special.2009.10.24
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
We're saying the probability of from the nucleus in some very thin shell that we describe by d r.
某一非常薄的壳层dr内,一个原子的概率,你想一个壳层时。
应用推荐