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。
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