The groundwater resources in Suzhou Urban Planning Area are abundant, but previous application and study are related to the deep-layer groundwater more than the shallow-layer groundwater.

苏州城市规划区内地下水资源丰富，但是以前相关的应用、研究主要是针对深层地下水，而浅层地下水较少涉及。

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When tides drag the ocean over a shallow barrier such as a ridge on the ocean floor, it creates waves in the lower, denser layer of water.

当潮汐经过像洋盆上的山脊等浅层障碍时，就会在低层密度大的水体里造成波浪。

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Pour a thin layer of water into a shallow pan

往空盘中倒入少量的水；

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The thinking is that you could bury a small reactor in a shallow layer of bedrock, perhaps 30-50 meters underground.

FORBES: Singapore Considers Underground Nuclear Reactors