中文摘要：

利用推广后的G′/G展开法,结合符号计算软件Mathematical,讨论了（2＋1）维Potential Kadomtsev-Petviashvili方程,获得（2＋1）维Potential Kadomtsev-Petviashvili方程的用双曲函数和三角函数表示的新精确解。

英文摘要：

By using the G′/G-expansion method and the Symbolic computation software MATHEMATICA,the（2＋1）-dimensional Potential Kadomtsev-Petviashvili equationwas discussed,andnew exact solutions containingthehyperbolic function and the trigonometric function were presented.