三角形式 meaning in English

triangular form

In the following section , we reconstruct the soliton solution of kgs equation wholly by use of the disturbance equation where are parameters . through varying the parameters in the disturbance equation , we get abundant types of soliton solutions of the kgs equation
利用“扰动”方程中参数的不同取值，不仅得到了seehz型的孤子解，还得到了tanhz型的孤子解、三角形式的周期解、有理解、 jacobi椭圆函数解和v怂lerstrass椭圆函数解。