We used the first integral method to solve a class of nonlinear wave equations and obtained the exact form of traveling wave solutions.Furthermore,the validity and efficiency of this method were shown by numerical calculation of nonlinear wave equation,indicating that it can be applied to other hyperbolic evolution equations.%利用首次积分法求解一类非线性波动方程的行波解，得到了行波解的精确表达式。数值算例表明，对于同类的双曲型发展方程，该方法仍然有效。
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