1.  inverse function
2.  anti-function

• 1. 反函数: inverse function | inverse | invee function
• 2. 反函数定理: inverse function theorem | Derivative rule for inverses
• 3. 符号计算中求反函数: finverse

更多释义

• 1.反函数提供频率和时间间隔的测量。
  Counter functions provide frequency and time interval measurements.
  dict.yoduao.com
• 2.被限定的正弦函数之反函数叫做反正弦函数。
  The inverse function of that restricted sine function is called the arcsine function.
  dict.yoduao.com
• 3.也就是说，它是Math . pow函数的反函数。
  That is, it is the inverse of the Math.pow function.
  dict.yoduao.com

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