The exact and explicit solutions of these equations are obtained by using the travelling wave method. These exact solutions are solitary wave solutions of a rational type.
用行波方法得到了这些方程的显式精确解，即有理分式型孤立波解。
He's a cool rational-type thinker.
他是一个冷静理性的思想家。
He's a cool rational-type thinker.
他是一个冷静理性的思想家。
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