The approximate analytical solution is got by using perturbation method.
通过扰动方法求得问题的近似解析解。
Firstly, the approximate analytical solution of a local domain is derived.
首先求出了局部区域的近似解析解。
The paper gives an approximate analytical solution of this equation by direct method, and disc…
本方法曾进行了相当数量的计算，与试验数据比较，得到较满意的结果。
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