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中文摘要：
介绍了OBS（海底地震仪）的发展现状、结构和工作方法,针对南黄海海域多道地震调查难以解决的深部沉积层速度求取和地层结构问题,设计并实施了南黄海地区OBS调查,获得了有效的深部反射波和折射波数据,为解决南黄海深部地质问题奠定了坚实的基础。
英文摘要：
The principles and current development of the OBS （ocean bottom seismometer） are introduced in this paper, aiming at solving the oil and gas geological problems and revealing the deep stratigraphy and structures in the South Yellow Sea, which are not properly solved by multi-channel seismic surveys. The implementation of the OBS survey in the mentioned region is a success. The data of effective deep reflection wave and refraction wave have been obtained, which have laid a solid foundation for solving the deep geological problems.
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