地磁要素

本文简单介绍了地磁场的特点，地磁要素和地磁图以及地磁埸成因的几种假说。

In this Paper , the speciality of geomagnetic field , geomagnetic factors , geomagnetic map and hypothesis of formation cause of geomagnetic field have been simply introduced .

根据特定时刻地面各点各地磁要素的数值，可画出各个地磁要素在地面上的分布图一地磁图。

According to the value of magnetic elements of specific parts and moment of the ground , the various magnetic elements can be drawn a map of the ground-geomagnetic map .

这对进一步认识乌鲁木齐地磁台地磁场各要素的变化规律及特征，为地震预报提供有实用价值的第一手资料都是十分有意义的。

This work is significant for further understanding the variation laws and features of every elements of geomagnetic field at Urumqi station and providing useful first hand material for earthquake prediction .

本文介绍了1980.0年中国地磁正常场图的编绘和地磁正常场数学模式的建立使用不同年代观测的地磁三要素资料2000余个，经过通化改正，统统改正到1980.0这个特定年代。

In this paper a mathematical model was given for drawing geomagnetic field chart of China in 1980.0 . More than 2000 three-element data of different years have been used to draw the geomagnetic field chart of China in 1980.0 by using Taylor polynomial and least square method .