About SONG Z-M
About Imperial Coll., London, GBR
About WILLIAMSON P R
About Imperial Coll., London, GBR
About PRATT R G
About Imperial Coll., London, GBR
About Geophysics
About well (oil and gas)
About Seismic exploration
About 坑井
About 周波数領域
About 音響波動
About モデリング
About インバージョン法
About 実験