tangent line

 
  • 切線

tangent line的用法和樣例:

例句

  1. The graph of a concave function is always below its tangent.
    一個凹函數的圖象總在它的切線的下方。
  2. This line, called a cotangent line, is used by the system to modify the curve.
    這條線叫做共切線,是系統用來改變曲線形狀的。
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