These NNE and ne faults become a long transform fault system and formed a boundary between the eastern margin of China Continental Plate and Philippine Sea Plate.

这些北北东向和北东向断层形成一条巨长的转换断层系列，也是中国大陆板块东缘与菲律宾洋块的一条边界。

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The East China Sea Shelf Basin is a marginal sea basin located on Continental crust of China eastern margin.

东海陆架盆地是位于中国大陆东部边缘大陆地壳之上的边缘海盆地。

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The plate activity is weaker in the passive continental margin of the northern South China Sea, which is favorable for forming the large-scale gas field and gas hydrate reservoirs.

南海北部被动大陆边缘是板块活动相对较弱的地区，业已证实是巨大天然气田形成的有利场所，同时也是水合物发育的有利地区。

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