This article mainly discusses about how to take advantage of infinitesimal quantity to get the limit of power-exponential function.
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 elaborated the oval curve main parameter computation as well as the oval curve take office a coordinates computational method.
本文将主要阐述卵形曲线的主要参数计算以及卵形曲线上任一点坐标的计算方法。
In this article, we take the correspondence by running hand of Wei, Jin and Six Dynasties as our research object, mainly studies its art of composition and its origin.
本文以魏晋六朝行草尺牍作为研究对象，主要研究其章法的特点及其成因。
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