| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |
| 10. | 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。 |