| 1. | Many iron minerals are only slightly magnetic .
不少铁矿物只有微弱的磁性。
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| 2. | The magnetic signals are sensed by induction coils .
磁信号由感应线圈所检测。
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| 3. | A fluctuating magnetic field is produced in the iron .
铁心中就产生交变磁场。
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| 4. | The fundamental magnetic entities are magnetic dipoles .
基本的磁体是磁偶极子。
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| 5. | The string is in a magnetic field .
振动弦处于磁场之中。
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| 6. | This phenomena is called nmr(nuclear magnetic resonance) .
这种现象称为核磁共振。
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| 7. | The magnetic fields of the valence electrons do not cancel .
价电子的磁性没有抵消。
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| 8. | Demiris had about him a presence that was magnetic .
德米力斯外表具有极强的吸引力。
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| 9. | 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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| 10. | A few remarks are about the concept of magnetic poles .
现就磁极的概念作出一些说明。
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