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The geomagnetic field varies continuously. 地磁场不断地发生变化。
Relationship between the geomagnetic field and geodynamic. 中生代地球磁场变化特征的动力学含义.
The form of the stable geomagnetic field is like that of a bar magnet at the center of the Earth. 稳定地磁场的形状与地球中心的棒磁铁的形状相似。
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。
The study on variation regularity of geomagnetic field is fundamental to pick up seismic and geomagnetic precursors. 对地磁场变化规律性的研究是提取地震地磁前兆的基础。
The strength of the geomagnetic field during the Mesozoic and its constraining on the geodynamics. 中生代地球磁场变化特征的动力学含义.
What is more, the primary geomagnetic field has lessened by nearly 10 percent since it was first measured in the 1830s. 此外，地球的主要磁场自1830年首次测量至今，已经减弱了将近10%25。
The effect of geomagnetic field on leaching uranium with geoelectric chemistry method is studied. 首次开展利用地电化学法地浸采铀的实验室探索。
In addition,the computer model has produced three spontaneous reversals of the geomagnetic field during the 300,000-year simulation. 此外，计算机模型已经在30万年的模拟过程中产生了三次地磁场的自发倒转。
As magma rises under the mid-ocean ridge, ferromagnetic minerals in the magma become magnetized in the direction of the geomagnetic field. 当岩浆从中海脊下涌起的时候，岩浆中的磁铁矿物质按地磁场的方向被磁化。
The results show that the subway of the city has significant influence for the observation environments of geomagnetic field. 结果显示,城市地铁交通对其周围的地磁观测环境具有较大的影响。
In addition, the computer model has produced three spontaneous reversals of the geomagnetic field during the 300,000-year simulation. 此外，计算机模型已经在30万年的模拟过程中产生了三次地磁场的自发倒转。
The deflection of the secondary charged particle trajectories of EAS in the geomagnetic field distorts the lateral distribution of the secondaries. 广延大气簇射(EAS)中次级带电粒子在地磁场中偏转,影响次级粒子的横向分布。
In other words, how can the wind overcome the barrier of the geomagnetic field and drive the motions of the plasma inside the magnetosphere? 换言之，即太阳风是如何克服地球磁场的阻碍，进而驱动磁层里的电浆运动?
The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory. 摘要利用磁偶极子理论，建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
This work is significant for further understanding the variation laws and features of every component of geomagnetic field at Guangzhou geomagnetic observatory. 系统地总结了广州地磁台地磁场长期变化的规律,此项研究工作对了解广州地磁台地磁场各分量的变化规律和特征有一定的意义。
The content of dreams can be influenced by external factors such as scents, or even the Earth's geomagnetic field, but there seem to be some reoccurring themes. 梦的内容可以受外界因素的影响，诸如气味，甚至会受到地球的地磁场的影响等，然而，梦里似乎存在着一些是重复发生的情节。
The method of regional geomagnetic field modeling is adopted in order to prepare for the reference map of geomagnetism-aided navigation and positioning. 摘要针对性对地磁辅助导航定位中基准图制备的需要，采用了建立区域地磁场模型的方法。
Residual magnetic induction and the increase of self-magnetization occur in ferromagnetism structures due to the influence of working load and geomagnetic field. 在工作载荷和地磁场的作用下,针对铁磁性构件存在残余磁感应和自磁化增长的现象,进行了引起磁记忆特性及其与检测时间关系的研究。
In this process, the field lines of the IMF become temporarily interconnected with the geomagnetic field lines on the dayside of the magnetopause [see illustration on page 89]. 在磁力线重连过程中，昼侧的磁层顶的IMF磁力线，暂时与地球磁场的磁力线相连（见本篇pdf111页上图）。