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中文摘要：
本文回顾了利用天然地震观测获取地下速度结构的方法。尽管有不同的新方法涌现,天然地震波速层析成像方法,尤其是多震相联合反演的格点层析成像方法,是当今使用广泛使用的层析成像方法之一,是对地球内部成像的最有效方式。波速层析成像方法的未来发展首先是提高第一手的观测资料,即增加接收地震波信息的地震台站分布密度;同时,通过多种地球物理方法联合反演相互约束可以给出较为严格的地球物理模型,并来降低了地球物理反演和解译的多解性,这是地球物理探测研究的趋势,也是天然地震波速层析成像方法的研究趋势。
英文摘要：
This paper mainly reviews the methods of seismic waves used to acquire subsurface velocity structures. Despite appearance of new approaches, seismic tomography, especially multi-phases grid tomography has been widely used and has been regarded as one of the effective methods to understand the interior structure imaging of the earth. Future requirement for the seismic tomography is to improve the quality of primary observation data, i.e. to increase the seismic stations used to receive the seismic waves. Meanwhile, multiple geophysical approaches along with restriction from inversion can establish a much strict geophysical model, which can decrease the geophysical inversion and interpretation ambiguity. This is not only the general trend of geophysical exploration and research but the direction of seismic tomography imaging.
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Integrated geophysical evidence for a new style of continent-continental collision beneath West Kunl
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