During estuarine tidal model tests, the water levels of many entrances are to be servo-controlled synchronously, and quite a number of data are expected to be acquired and processed.

河口潮汐模型试验中，要求对多个口门的水位实行同步伺服控制，又有大量的数据要采集处理。

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The strengthening of the tidal power caused by the significant topographic change is responsible for the rise of the low water levels in the tidal reach.

而河床地形变化引起的三角洲河网区潮汐动力增强，则是感潮河段低水位上升的主要原因。

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Tidal ranges are larger and water levels lower in the east.

例如东部潮差较大，水位较低。

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When the water levels rise, air will be pumped into the barriers raising them up to block the tidal flow and protect the city from flooding.

CNN: New satellite data reveals sea-level rise