The permeability of a soil is important for calculations of underground flow.

土的渗透性对于地下液流的计算很为重要。

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Reservoir geometry especially such as reservoir boundary significantly influences dynamic response in underground flow.

油藏几何形状特别是油藏边界对井底压力动态响应有显著的影响。

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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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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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