underwater topography survey 水下地形测量
Coastal Topography Survey and Mapping 海岸带地貌调查与制图
figure topography survey 数字地形测量
submarine topography survey 海底地形测量
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。
The underwater topography survey is playing the important role in the inland river and in the coast engineering construction and the water depth survey precision is always paid key attention to.
水下地形测量在内河和沿海工程建设中发挥着重要作用，水深测量的精度也历来为人们所重点关注。
Based on the field survey data, topography and geomorphology of the Great Wall Bay in Antarctic are analysed.
本文根据实地考察资料，分析了中国南极长城海湾的地形、地貌特征。
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