Scientific;
and;
Technological;
Office,;
Daqing;
Teacher;
College,;
Daqing;
163712,;
China;
Department;
of;
Physics;
,;
Beijing;
Normal;
University,;
Beijing;
100875,;
China;
two-dimensional; nonlinear; lattice,; quasi-one-dimensional; nonlinear; lattice,; kink-soliton,; antikink-soliton.;