| 1. | A fluctuating magnetic field is produced in the iron .
铁心中就产生交变磁场。
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| 2. | The string is in a magnetic field .
振动弦处于磁场之中。
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| 3. | The magnetic fields of the valence electrons do not cancel .
价电子的磁性没有抵消。
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| 4. | The strength of the magnetic fields are likewise fixed .
磁场的大小也同样是固定的。
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| 5. | We might put the current-carrying wire in a magnetic field .
我们可将载流导线置于磁场中。
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| 6. | A third radiation group was unaffected by the magnetic field .
第三组射线不受磁场的影响。
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| 7. | The iron flings align themselves in the direction of the magnetic field
铁屑按磁场的方向排列。
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| 8. | If a magnetic field is switched on, the symmetry is broken .
如果加上磁场，就破坏了这种对称性。
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| 9. | The magnetic field of an atom is usually dominated by the electrons .
原子的磁场通常由电子决定。
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| 10. | The regional magnetic fields can be picked from maps and tables .
区域磁场可以从图幅和表格中查到。
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