固体矿产资源储量半自动化估算方法
李海泉

A Semi-automatic Method for Estimation of Solid Mineral Resources Reserves
Haiquan LI
图8 勘探线扩展范围线示意图
1.勘探线及编号;2.勘探线扩展范围
Fig.8 Schematic diagram of extension range line of exploration lines