短語詞組短語focused magnetic fields conductivity tomography 磁聚焦電導率成像complex magnetic conductivity 複磁導率specific leakage magnetic conductivity 比漏磁導electric -magnetic conductivity 電磁傳導率dynamic magnetic conductivity 動態(tài)導磁率magnetic conductivity of mineral 鑛物導磁率 返回 magnetic conductivity