This article uses the cardinal principle of value engineering to make a multiplan and multi-objective decision, in order to select an underground mining method. 用价值工程的基本原理,选择地下采矿方法,进行多方案、多目标决策。
The application of spiral CT multiplan reconstruction after ossicular chain reconstruction 螺旋CT多平面重建在听骨链重建术后的应用