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1·The geomagnetic field varies continuously.

地磁场不断地发生变化。

2·The geomagnetic field varies continuously .

地磁场不断地发生变化。

3·Variations in geomagnetic field in western US since last reversal.

在美国西部的变化自去年在地磁场逆转。

4·The main error sources in the geomagnetic field model were introduced, too.

介绍了地磁场模型误差的主要来源。

5·It diffused northeastward, which was caused by the upper air winds and geomagnetic field.

受地球重力场和高空风场的影响，该不均匀体向东北方向扩散。

6·There existed tendency anomalies in the basic geomagnetic field before these earthquakes.

震前地球基本磁场出现了趋势性异常。

7·Formation cause of geomagnetic field is one of the important difficult problems of geophysics.

地磁埸的成因是地球物理学的重大理论难题之一。

8·The chaotic behavior of the system can be used to simulate the reversals of the geomagnetic field.

并指出系统的混沌特性可以用来模拟地磁场的反转。

9·In a infinite and empty space the geomagnetic field falls off in strength with the third power of distance.

在无限和真空的空间中，地磁场在强度上随距离3次方而衰减。

10·For instance the geomagnetic Field, the heat flow, the propagation of seismic waves, the force of gravity, etc.

例如，应用地球物理勘探，可以了解诸如地磁场、热流、地震波的传播和重力等地球物理性质。