论述了二元插值公式对地形进行模拟、势方程对矿体底板和矿体厚度进行模拟的基本原理，并结合实例对矿体示意剖面的随机生成进行了说明。

• The basic principles of the topographic simulation by binary interpolation formula and the ore body bottom and ore body thickness simulation by trend equation were analyzed, and the random formation of schematic section view of ore body was illustrated.