0)are obtained.To our best knowl'/>
Department of Mathematics;
Shandong University;
Jinan 250100;
China;
Department of Mathematics;
Dezhou University;
Dezhou 253023;
China;
Department of Physics;
Dezhou University;
Dezhou 253023;
China;
非线性偏微分方程; 常微分方程; 广义KdV方程; 符号计算系统; 应用; mKdV方程; 非线性项; 非平凡解;