1.
Prediction of the geomagnetic variation field based on chaos theory and LS-SVM
基于混沌理论和LS-SVM的地球变化磁场时间序列预测
2.
The Earth's magnetic field is constantly changing, and the way, which it changes, also changes.
地球磁场总是在不停地变化，并且其变化的方式也在变化。
3.
The geomagnetic field varies continuously.
地磁场不断地发生变化。
4.
This is explained by referring to a well-known phenomenon, the changes in the Earth's magnetic field.
它借助于人所共知的地球磁场变化现象进行解释。
5.
Our research may also eventually learn more about the causes of changes and reversals of Earth's magnetic field.
我们的研究也会最终了解更多的有关地球磁场变化和倒转的知识。
6.
Because of the complexity of the Earth's magnetic field and the constant changes it is impossible to predict what the field will be like anytime in the distant future.
因为地球磁场和持续变化的复杂性，要预测磁场在遥远的未来将是什么样子的是不可能的。
7.
Using data from many magnetic observatories, geophysicists can make mathematical representations of the field and how it is changing.
利用许多地磁观测站的资料，地球物理学家对磁场及其变化方式进行数学描述。
8.
Influence of Geomagnetic Field Variations on SNMR Signal in China
中国境内地磁场变化对SNMR信号的影响
9.
This paper introduces the formation of magnetic field, polarity reversal, secular variation and the use of geomagnetic polarity reversal or susceptibility in stratigraphic study.
本文介绍了地球磁场的成因、极性变化以及运用极性倒转划分对比地层和指示环境。
10.
Similarly, magnetic fields are generated by electric currents and by time-varying electric fields.
相仿地，磁场由电流和随时间变化的电场产生。
11.
The stochastic nature of the process probably explains why the time between reversals on the Earth varies so much.
这个过程的随机性特征可能解释为什么地球磁场倒转之间的间隔变化会如此之大。
12.
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。
13.
ANOMALOUS VARIATION OF REGIONAL GEOMAGNETIC FIELD BEFORE THE BOHAI SEA EARTHQUAKE (7.4M_S)
渤海7.4级地震前区域地磁场的异常变化
14.
ANALYSIS OF SECULAR VARIATIONS OF NON-DIPOLE GEOMAGNETIC FIELD IN EAST ASIA
东亚地区地磁非偶极场长期变化的分析
15.
Research on Temporal and Spatial Distribution of Daily Geomagnetic Variation in China;
中国地区地磁场日变化时空分布特征初步研究
16.
A well-studied geomagnetic field model will provide accurate geomagnetic field information and increase the digitization and visualization of the“ digital earth”.
研究好地磁场模型，将可以提供准确的地磁场信息，丰富“数字地球”的数字化与可视化的程度。
17.
an instrument for measuring variations in the gravitational field of the earth.
测量地球引力场变化的仪器。
18.
Pigeons navigate less accurately when the earth’s magnetic field is disturbed.
地球磁场受到干扰时，鸽子的道航能力就会变得不准确。