The author used VLF method in surveying and explorating gold deposits, ludwigite, copper ore, molybdenum ore and coal ore.

  • 作者在辽东地区把甚低频(VLF)法应用于金矿、硼镁铁矿、铜矿、钼矿和煤矿的普查勘探工作中。
目录 查词历史