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依据 1994年和以往的调查 ,都发现在东海陆坡北部 30 0～ 50 0 m等深线之间 ,出现一条 NNE走向的隆脊地貌体 ,其东、西两侧下降近百米以上 ;用趋势面方法对该隆脊进行地形趋势面的研究。
According to the surveys conducted in 1994 and previous surveys, it is found that a NNE-trending ridges and landforms appear in the northern part of the East China Sea on the continental slope between 30 0 ~ 500 0 m. Surface method of the ridges of the terrain trend surface research.