The working principles and structure of the high-power sparker are presenteded, its technical parameters are given, and its application in vertical seismicprofiling (VSP) logging is introduced.
文章介绍了一种大功率电火花震源的工作原理、总体结构及其主电路，给出了其技术参数。
2
In the recent decade, the deep seismic reflection profiling has been applied widely to studies on formation and evolution of oceanic lithosphere, crust structures and so on.
近十年来，深地震反射波勘探在海洋岩石圈的形成与演化、地壳结构研究中的应用越来越广泛。
3
The Sub Database of Deep Seismic Reflection Profiling (called SB1 for short) is one of the seven sub databases under the Deep Geophysical Probing Database of the Ministry of Land and Resources.