磁力

cí lì cè dìng

磁力测定

magnetometry

cí lì kān tàn

磁力勘探

magnetic prospecting

diàn zǐ yùn dòng néng chǎn shēng cí lì

电子运动能产生磁力。

The motion of electrons can produce magnetic force.

zài jí dì de gāo kōng cí lì xiàn jī hū shì chuí zhí zhǐ xiàng shàng fāng de

在极地的高空，磁力线几乎是垂直指向上方的。

High in the polar regions, the lines of magnetic force point almost straight upwards.