Combined with an underwater topography survey case at a hydropower station, this paper found a feasible method to survey underwater topography on swift currentriver.
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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The key and most urgent problems in the currentriver basin research are of multi-levels and integration type. Such as how accurate is the water balance at the basin scale?