得到了该方程的包络孤立波解和包络正弦波解。
And the envelope solitary wave solutions and envelope sinusoidal wave solutions have been obtained.
研究结果表明，在一定条件下，非线性弹性地基内预应力梁中存在包络孤立波。
It follows that under certain conditions the existence of the envelope soliton in the prestressed beam in nonlinear elastic foundation is possible.
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