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东海是西太平洋与我国大陆之间的一个陆缘海。东海海底地形的研究不仅有理论意义,而且对生产、国防也有重大的实际意义。为此我所从1973年起利用Laz-17型自动记录回声测深仪曾多次对黄、东海进行了水下地形的调查。所取得的资料均作了潮差改正和BPF基
The East China Sea is a continental margin between the western Pacific Ocean and our own continent. The research on the seabed topography of the East China Sea is not only of theoretical significance, but also of great practical significance for production and national defense. To this end, I have been using the Laz-17 type automatic record echo sounder since 1973 to investigate the underwater topography on the Yellow Sea and the East China Sea several times. The data obtained were tidal range correction and BPF base