Under stratum condition of thick soil layer, we can study it as random medium and use probability integral method to estimate surface movement.
在厚松散层地层结构条件下，可将其视为随机介质，采用概率积分法预计地表移动变形。
2
The medium also must adapt to the actual need in new - appeared each stratum, find out the stratum need own most, and make an effort for homologous service in its offering.
媒介也必须适应新出现的各个阶层的实际需求，找到最需要自己的阶层，并尽全力为其提供相应的服务。
3
To discuss water flow law, authors think of the mining stratum as continuous medium to meet the necessities of Darcy's law, and established a mathematical model to describe the flow of mining strat…