频率域电磁法在煤矿采空区调查中的应用
姜国庆1,2, 贾春梅3, 谭强4, 尚通晓1,2, 朱首峰1,2

Application of fdem in detecting coal mined-out areas
JIANG Guo-Qing1,2, JIA Chun-Mei3, TAN Qiang4, SHANG Tong-Xiao1,2, ZHU Shou-Feng1,2