本文介绍日本在其周围海域特别是南海海槽的海洋天然气水合物研究工作。
Gas hydrate researches in adjacent sea regions around Japan especially on Nankai Trough are introduced.
最后指出，南海海槽的一些新资料深入的综合研究无疑会给世界水合物研究增添新的内容。
At last it is pointed out that comprehensive research of new geophysical, geochemical and geological data on Nankai Trough will make new contribution to gas hydrate research in the world.
对西南海海槽的NT6 2 - 2地震测线进行了重新处理，突出了天然气水合物似海底反射层（BSR）的特征。
The data of NT62-2 seismic line of western Nankai Trough are reprocessed, and the character of the distribution of Bottom simulating reflector (BSR) is emphasized.
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