... 海底采矿 Sea bed mining 海底开发 Sea bed exploitation 海底生态系统 Benthic ecosystems ...
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After more than 10 year's endeavor, China has successfully become a pioneer investor of the international sea-bed area and has exclusive exploitation rights.
经过10多年的努力，中国已成功成为国际海底先驱投资者，获得了专属开发权。
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