A weakly nonlinear evolution equation with control term is considered using the analytic method. From the perturbation theory, the solution of the corresponding equation is obtained. And the functions of asymptotic solution for the equation are studied.%利用解析方法研究了一类具有控制项的弱非线性发展方程.由摄动理论得到了相应方程的渐近解,并研究了控制项对渐近解的影响.
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