求翻译：海底大陆架 　　大陆架是陆地向海的自然延伸。原来沿海的平原被海水淹没了，就成为大陆架浅海。大陆架浅海环绕陆地像一个花环，但它总的面积有 2750万平方千米，相当于非洲大陆的面积。中国的渤海、黄海及东海的大部分，都在大陆架上。 　　我们吃的鱼虾等海产品，主要是从大陆架浅海捕到的，大陆架浅海的水产品占整个海洋水产品的80％。 　　大陆架海底有丰富的石油、天然气，大约占全世界的1／3。而陆地上许多石油矿，也是在大陆架海底环境中生成的。 　　秀美的浅海风光是什么意思？

Undersea continental shelf continental shelf is a natural extension of the land to the sea. The original coastal plain was submerged, and has become shallow continental shelf. Shallow continental shelf around the land like a wreath, but it is the total area of ​​27.5 million square kilometers, equiv

The continental shelf on the Continental Shelf to the sea is a natural extension land. original coastal plains, the sea flooded the shallow continental shelf becomes. shallow continental shelf surrounding land like a wreath, but it has a total area of 1000 square meters, and 27.5 million equivalent

Seabed continental shelf 　　The continental shelf is the land extends to the sea nature.The original coastal plain was submerged by the sea water, becomes the continental shelf epicontinental sea.The continental shelf epicontinental sea encirclement land looks like a garland, but its total area has 2

Submarine continental shelf is a natural extension of land to the sea. Of the original coastal plain was submerged by the sea, he becomes a continental shelf in shallow water. Continental shelf in shallow water around the land like a wreath, but its total area of 27.5 million square kilometres, equi

Submarine continental shelf is a natural extension of land to the sea. Of the original coastal plain was submerged by the sea, he becomes a continental shelf in shallow water. Continental shelf in shallow water around the land like a wreath, but its total area of 27.5 million square kilometres, equi