本文利用两层斜压准地转模式，在低谱简化下，得到一个热力强迫波，瞬变波与纬向气流相互作用的非线性方程组。

Using a low order, two-layer baroclinic quasi-geostrophic model, a nonlinear system including the interaction between a thermal forced wave, a transient wave and zonal flow is studied.

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该模型以组成波的谱值及波向为变量，在实数域内求解，适合大面积海区波场计算。

The mathematical model takes spectrum value and wave direction as variables and is solved in real domain, it is suited for wave computation of large sea area.

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