短語詞組短語magnetic telluro sounding instrument 數(shù)字大地電磁測(cè)深儀magnetic resonance sounding 磁共振測(cè)深digital magnetic telluro sounding instrument 數(shù)字大地電磁測(cè)深儀magnetic diploe frequency sounding 磁偶源頻率測(cè)深法magnetic sounding formula 磁力測(cè)深公式frequency electro -magnetic sounding 頻率電磁測(cè)深法electric or electro magnetic sounding 電測(cè)深telluric electro -magnetic sounding 大地電磁測(cè)深magnetic anomaly gradient depth sounding 磁異常梯度測(cè)深 返回 magnetic sounding