DepartmentofComputerScience;
LiaoningNormalUniversity;
Dalian116029;
China;
KeyLaboratoryofMathematicsMechanization;
InstituteofSystemsSciences;
AcademyofMathematicsandSystemsSciences;
theChineseAcademyofSciences;
Beijing100080;
China;
Broer-Kaup函数; 符号运算; 非行进波解; 非线性偏微分方程; 力学;