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tangent是什么意思

tangent

英[ˈtændʒənt] 美[ˈtændʒənt]
  • 复数：tangents;
    • 相关单词 antitangentarc tangentbitangenttangent planetangentialtangentiallytangents
    同义词
    柯林斯高阶英汉双解学习词典释义
    • N-COUNT
      切线
      A tangent is a line that touches the edge of a curve or circle at one point, but does not cross it.
    • PHRASE
      突然偏离原来的思路;突然离题
      If someone goes off at a tangent, they start saying or doing something that is not directly connected with what they were saying or doing before.
      例句
      The conversation went off at a tangent. 交谈突然偏离了正题。
    英汉词典释义
    • n.
      <数>正切;切线
      (铁路或道路的)直线区间
      突兀的转向；离题
      突然转移话题；突然改变思路
      One moment the professor is working hard on a problem in physics, the next he’s gone off at a tangent and he’s talking about bees. 前一分钟教授还在努力解答一道物理题，下一分钟他就突然开始讲起蜜蜂来。
    • adj.
      <数>正切的;相切的;切线的
      tangent circles 相切的圆
      离题的;背离原来途径的
      tangent remarks 离题的话
    英英词典释义
    • Noun
      1. a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
      2. ratio of the opposite to the adjacent side of a right-angled triangle
    行业词典
    • 体育： 切线；
      数学： 正切；