圆形横向磁场电磁流量计
circular transverse-field electromagnetic flowmeter
地球电磁场
Earth’s Electromagnetic Field
脉冲电流电磁场
both way
Bureau of Geology and Mineral Resources
pulsed current electromagnetic fields
大地电磁场
magneto-telluric fields
MAGNETOTELLURIC
the telluric electromagnetic-field
nature field
Magneto-telluric field
magnetotelluric field
natural magnetotelluric field
大地电流场比法
E-field ratio telluric method
地层地球化学对比
geochemical correlation of strata
地层地球化学特征
chemical characteristic of earth layer
地磁地层单位
magnetostratigraphic unit
地磁电流量计地磁海流计电地磁流量计
geomagnetic electro kinetograph
地电地磁观测
observation of geoelectricity and geomagnetism
地球磁场
terrestrial magnetic field
magnetic field of the Earth
earth’ s magnetic field
earth magnetic field
geomagnetic field