adj.水道测量的；水文地理的

The hydrographic survey revealed the exact depth of the channel.
水深测量揭示了航道的确切深度。
Hydrographic charts are essential for safe navigation at sea.
水深图对于海上航行的安全至关重要。
The hydrographic office is responsible for updating navigational maps.
水深办公室负责更新航海地图。
The ship was equipped with advanced hydrographic equipment.
这艘船配备了先进的水深测量设备。
The hydrographic department conducted surveys to map the ocean floor.
水深部门进行了调查以绘制海底地形图。
Hydrographic data is used to predict tsunamis and other oceanic events.
水深数据用于预测海啸和其他海洋事件。
The hydrographic team used sonar to map the seabed.
水深小组使用声纳来绘制海底地形图。
The hydrographic service is crucial for marine research and exploration.
水深服务对于海洋研究和探索至关重要。
The hydrographic map showed the location of underwater mountains.
水深地图显示了水下山脉的位置。
Hydrographic measurements are taken regularly to ensure safe passage.
定期进行水深测量以确保航行安全。