磁铁

• The earth behaves as a large and somewhat irregular magnet .
  地球象一个稍不规则的大磁铁在转动。
• Glass is separated by hand at the dump and ferrous metal removed by magnet .
  玻璃在堆放场用手拣出，黑色金属用磁铁分出。
• The entire ring has about 1000 magnets spaced at regular intervals .
  整个圆环由大约1000个磁铁组成，它们按着一定的间隔排列。
• The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated .
  条形磁铁或马蹄形磁铁的磁态是极其复杂的。
• Bending magnets are used to steer the protons along the circular path .
  致偏磁铁用于控制质子运动的方向，使质子沿圆形路线运动。
• Magnetite-bearing plugs are found erratically from the base of the critical zone .
  含磁铁岩的岩栓不规则地分布于关键带的基底以上。
• The use of magnets as aids to navigation can be traced back at least to the eleventh century .
  磁铁用于航海，至少可追溯到11世纪。
• An area about half-a-mile in diameter is surface strewn with blocks of magnetitite .
  在直径约12英里的地区的地表上有磁铁岩转石分布。
• When the gyro is vertical, the magnet is directly below the center of the disk of copper .
  当陀罗处于垂直位置时，磁铁就在铜片中心下。
• Almost everyone has seen horse-shoe magnets so-called because they are shaped like horseshoes .
  几乎每个人都见到过马蹄形磁铁--之所以这样叫它是因为它们的形状象马蹄形。