Dy

基本解释

• n. 镝（等于dysprosium）

英汉例句

双语例句

• 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。

原声例句

• 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

权威例句

• 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

• Dy更多例句

词组短语

短语

• Veterns Dy 退伍军人节
• VERT DY 场偏转线圈
• DY regulation DY 整定
• dy lasia 发育不良;型增生
• Dy addition Dy 添加

• Dy更多词组

英英字典

柯林斯英英字典

• dysprosium

• Dy剑桥字典
• Dy柯林斯字典

专业释义

机械工程

• 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。