大地电流 meaning in English

earth currents
earthcurrent
electrotelluric current corrente electrolurica
et
terrestrial current

Seismic surveys gave a geologic picture quite different from that indicated by the telluric current .
地震勘探提供的地质图件与大地电流的结果完全不相同。
Subsequent drilling, which resulted in the discovery of oil, supported the telluric-current picture .
后来进行钻探，结果发现了石油，证明了大地电流图片是正确的。
Instrument of magneto telluric method
磁大地电流法仪器