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1·One of the two main types of aquifer is the unconfined aquifer.

非承压含水层是两种主要含水层之一。

2·The water table of the unconfined aquifer near the coast fluctuates following the tide movement, the aquifer also exchanges water with the sea.

近岸含水层水位随潮水的波动而波动，同时还与海水之间发生着水量交换。

3·While groundwater flows through an unconfined aquifer due to heterogeneity, the vertical average saturated hydraulic conductivity is a function of hydraulic head.

地下水流于非拘限含水层流动时，因含水层之非均质性，使得垂直平均之饱和水力传导系数随地下水水位高低而变化。