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1·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；

2·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。

3·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。