The irreversibility is the essential characteristic of porous media seepage problems. 不可逆特性是多孔介质渗流问题的本质特征。
The authors discuss the relations between microcosmic and macrocosmic flow in porous media and expound the importance of the studies on microcosmic flow. 摘要论述了孔隙介质渗流宏微观研究之间的联系,以及微观渗流研究的重要意义。