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利用奇性流形的任意性，选用不同的展开函数及非标准截断展开于KdV方程，得到了许多用复杂隐函数表示的精确解.In this paper,by means of the arbitrariness of the singularity,we have established a new approach of the Painlevé analysis developed by Weiss,Tabor and Carnevale,which is one of the powerful method to study the nonlinear partial differential equations.Selecting some different expansion functions and nonstandard truncations for the KdV equation,we obtained many exact solutions expressed by some complicated implicit functions.
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