本文讨论了在幂指函数求极限的过程中利用等价无穷小量代换，提出了四条定理，并给出了证明。
This article mainly discusses about how to take advantage of infinitesimal quantity to get the limit of power-exponential function.
药物或蒸馏水滴入小量喷雾杯内，并管子连接至机器上。
Medicine or distilled water to drop inside small volume to atomise glass inside and tube to join to the machine above.
本文讨论了在幂指函数求极限的过程中利用等价无穷小量代换 ，提出了四条定理 ，并给出了证明。
The paper provides the theorem of the limit of combination of power and exponent function, which gives us a new method to work out the limit of this kind of function.
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