The stretching rate and the density of sediments which is continuously changed due to the pressure of overlying deposit under the elastic conditions can be described by certain divergence equation.

弹性条件下的拉伸速率和由于压实作用而不断变化的沉积物密度满足一定的散度方程。

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Because of the complicated gas-water geochemical barrier formed by the involvement of surface water, the precipitation of uranium occurred in overlying aquifers to form uranium deposit.

在上覆透水层，由于地表水的参与形成复杂的气水地球化学垒，使铀沉积成矿。

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