首先求出了局部区域的近似解析解。
Firstly, the approximate analytical solution of a local domain is derived.
通过扰动方法求得问题的近似解析解。
The approximate analytical solution is got by using perturbation method.
具有一定精度的近似解析解有助于方便分析船舶非线性横摇运动及其稳定性。
An approximate analytical solution with comparative accuracy is helpful in investigating nonlinear rolling of ships and its stability.
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