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汉语拼音：dì cí

地球所具有的磁性。在不同的地点和时间都有变化。罗盘指南和磁力探矿都是对地磁的利用。观测地磁的变化，是地震预 报的一种手段。

1. 地球所具有的磁性现象，在不同的地区和时间都有变化。罗盘指南和磁力探矿都是地磁的利用。

• This book is about the earth's magnetism.

  这本书是有关于地磁的.

• Absolute age and paleomagnetism have been subjected to intensive studies.

  绝对年龄和古地磁也已得到深入研究.

• On advertisement: The day is geomagnetic, can you treat heart disease really?

  广告上的: 天地磁, 真的能治疗心脏病?

• The data of international geomagnetic reference field are widely used in China.

  国际地磁参考场资料在我国得到广泛应用.

• Some IGRF data are used in drawing up the China GRF.

  在研制中国地磁等值图中也得到某些应用.

• The last geomagnetic reversal for Earth was about 780,000 years ago.

  地球上最后一次地磁倒转大约是78万年前.

• A variable inductor used to measure variations in terrestrial magnetism.

  磁力比较器;磁''.'偏'.''计用来测量''.'地磁'. ''中的变化的一种可变性感应器.

• An imbalance between Schumann and geomagnetic waves disrupts biorhythms.

  舒曼波和地磁波之间的不平衡干扰了生理节律.

• When the magnetics drop to zero , people go insane.

  当地磁降到零点时候, 人们趋于狂乱.

• Despite their visual appeal, these brilliant light shows are actually storms - geomagnetic storms.

  尽管它们在视觉上很吸引人, 但它们其实是风暴,即地磁风暴.

• Could another reversal be on its way?

  难道是,下一次的地磁反转即将来临?

• The data of IGRF ( International Geomagnetic Reference Field ) are widely used in geomagnetic basic investigations.

  国际地磁参考场 ) 资料在地磁学的基础研究中得到广泛的应用.

• The data of IGRF ( International Geomagnetic Reference Field ) are widely used in the geomagnetic basic investigations.

  IGRF ( 国际地磁参考场 ) 资料在地磁学的基础研究中得到广泛的应用.

• One problem was that it is extremely difficult to recreate the effect in the laboratory.

  有个问题就是想在实验室内再现地磁效果异常困难.

• This paper describes the principle of the distributor used in dipmeter and magneto optical recorder.

  本文叙述了一种用于地倾斜仪和地磁光记录仪的配电盘的原理.