本文基于华北地区的地震地质调查结果，以及最近10年来的GPS观测结果，探讨了华北地区现今地球动力学机制。
Based on the geological and seismic investigation results in North China, and the measurements of about 10 years GPS surveys, the mechanism of current North China geodynamics is discussed.
地幔柱理论涉及地幔深部物质垂直运动的机制，对了解地球深部动力学机制有重大意义。
The theory is concerned with the vertical movement of deep-seated mantle material thus significant to the deep dynamic mechanism of the earth.
地球本征模在地球内部物理结构和动力学机制研究中一直是一个重要的课题，与地球物理学、地震学联系紧密。
The study of the Earth's eigen mode is an important way to study physical properties and dynamics in the Earth's interior, and is closely related with geophysics and seismology closely.
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