To analyse the stability of soil slope under seepage, the effects of coupling between seepage and stress fields should be considered.

为了进行渗流作用下的边坡稳定性分析，必须考虑渗流场与应力场之间的相互耦合作用。

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Because of the coupling between surface channel and SOFAR channel, sound propagation in two, axis underwater channel is complex and calculation of acoustic fields is difficult.

由于表面声道与深海声道间的耦合效应，声波在双轴海洋声道中的传播比较复杂，因此求解双轴海洋声道中的声场就比较困难。

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For the coupling between IPO with FDTD fields, the "background noise" is picked up to improve numerical precision.

在IPO和FDTD之间场耦合中，通过提取“本底噪声”来提高数值精度。

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