As he travelled, he set up instruments called magnetometers to measure electric currents in the upper atmosphere.

在航行的途中，他一路建立起了许多叫做磁力计的装置，以检测大气上层的电流状况。

youdao

He was daring; he scaled the Eiffel Tower to find the purest air for a study of electric currents in the atmosphere.

他很有勇气，他爬上了埃菲尔铁塔为了大气里的电流研究找到最纯的空气。

youdao

The technique generates a magnetic field on a small part of the skull which creates weak electric currents in the brain.

这种手段在一小块头骨上形成一个磁场，既而在大脑中产生微弱的感应电流。

youdao

The metal returns up the outer cylinder, and electric currents create a magnetic field.

BBC: Planet Earth

Electric currents could convey sound along a wire if they undulated in accordance with the sound waves.

NEWYORKER: In the Air

The Sun's changeable magnetic field is generated at the boundary between these two layers, where strong electric currents flow.

BBC: Sun, Trace