On the basis of the new study, he thinks that such sequestration may not always happen and probably depends on the composition of sediments and the complexity of water flow underground.

在新研究的基础上，他认为这种隔离并不是经常发生并且还有可能决定于沉积物的构成和地下水流动的复杂性。

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Once all this information has been gathered, it becomes possible to judge whether a lake's flow is mainly due to its surface inputs and outputs or to its underground inputs and outputs.

一旦收集了所有这些信息，就有可能可以判断一个湖泊的流量主要是由其表面还是地下的输入和输出导致。

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The typical solution is for a city to build larger pipes and a giant underground tank to hold the excess water until sewers can handle the flow.

典型的解决方法是建造更大直径的排水管和巨大的地下水箱来容纳过量的来水，直至下水管网能够自行处理水流。

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Detailed studies of the surface indicate that these were formed by a lake caused by the flow of underground water that periodically made its way to the bottom of the crater.

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Traffic will flow through high-speed underground roadways and aboveground interchanges.

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Most of those chemicals are designed to stay underground, where they react with the rock and help the oil and gas flow.

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