bar magnet

常見例句

If the bar magnet is simply held stationary near the coil, no current is indicated.
如果磁棒單純靜止在線圈附近，就檢測(cè)不到電流。
To test the idea, one group of ten pigeons had strong little bar magnets attached to their backs.
為驗(yàn)證這一看法，一組為十只的鴿子背上縛上了強(qiáng)力小磁棒。
The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
條形磁鐵或馬蹄形磁鐵的磁態(tài)是極其復(fù)雜的。
Fluid iron in the planet's core acts like a huge bar magnet, creating a relatively weak magnetic field.
地心處的液態(tài)鐵就像一個(gè)巨大的條形磁鐵，會(huì)形成相對(duì)較弱的磁場(chǎng)。