For a time, surface and subsurface current are in opposite directions;

在一个时期，表层和次表层的水流方向相反；

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For a time, surface and subsurface current are in opposite directions; flow is seaward at the surface and landward near the bottom.

在一个时期，表层和次表层的水流方向相反；表层水流向外海方向流动，靠近底层的水流则向陆地方向流动。

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The Faradays magnetic optic effect is combined with eddy current effect to test the imperceptible flaws in subsurface.

为了实现对亚表面下细小缺陷的检测，采用了法拉第磁光效应和电涡流效应相结合的方法。

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