I don't know what it is rushes up in me at the sight of this dark, swift moving current, but a great exultation lifts me up, affirms the deep wish that is in me never to leave this land.
我不明白看到这条黑色的湍急水流时会激起何种情感，不过一种欣喜若狂的心情总是使我不能自持，坚定了我永远不离开这片土地的眷恋之情。
Combined with an underwater topography survey case at a hydropower station, this paper found a feasible method to survey underwater topography on swift current river.
本文结合某电站水下地形测量应用实例，找到了解决急湍河段水下地形测量的一种可行方法。
Combined with an underwater topography survey case at a hydropower station, this paper found a feasible method to survey underwater topography on swift current river.
本文结合某电站水下地形测量应用实例，找到了解决急湍河段水下地形测量的一种可行方法。
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