The arguments set out in the present paper suggest that in the case of cobalt-rich crusts, providing the contractor can define precisely the areas of interest, only 500 square kilometres would be needed to sustain a mine site.
22. 本文件提出的论据表明，在富钴结壳的情况中，如果承包者能够精确界定感兴趣的区域，维持一个矿址将只需要500平方公里。