Dy
基本解释
- n. 镝(等于dysprosium)
英汉例句
- On the math it is a line integral of something dx plus something dy.
从数学意义上来说,这是dx部分加上dy部分的线积分。 - If you end up with a dx, dy, dz in the surface integral, something is seriously wrong.
如果在这个曲面积分中是以dx,dy,dz结尾的,则表明出现了很大的问题。 - And, once you have a formula for ndS, that will relate ndS to maybe dx dy, or something else.
一旦有一个ndS的公式,那将会把ndS和dx,dy联系起来,或者其他的一些东西。 - Michael Phelps, now that he's won all those gold medals, I hear is on Wheaties and somebo dy said Frosted Flakes, but I don't know if that's true.
迈克尔·菲尔普斯,他包揽了游泳项目所有奥运金牌,给惠特斯代言,但菲斯克多麦片的人说,不知道这是不是真的
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选 - You all know that when you do dy/dx, you're not supposed to cancel that d.
你们都知道 当你算dy/dx时,你不能把d约掉
耶鲁公开课 - 基础物理课程节选 - The province's mayors, meanwhile, have chosen Napoleon Dy, one of Faustino's brothers, as head of their association.
ECONOMIST: The Philippines - Now, rumour has it, supporters of Mr Dy are preparing a drive for a California-style recall election.
ECONOMIST: The Philippines
双语例句
原声例句
权威例句
专业释义
- 镝
It was shown from the experiment that the Nd (Dy, La) -doping reduces the transmissivity of SnO_2 films by ultraviolet-visible spectrophotometer test (350-900nm). As Nd doping concentration increase, the optical bandgap drops (2.62-3.07ev).
经稀土镝(钕、镧)掺杂后,SnO_2薄膜的光透射率(入射波长300-900nm内)均有不同程度的降低。