随着陆地矿产资源的日趋减少，开发国际海底矿产资源是大势所趋。
With the decrease of mineral resources on land, the general trend is exploiting them on international deep sea bed.
但也存在不少限制因素，如深水区离岸较远，海底矿产勘探程度低，自然灾害较多等。
But there are also some restrictive factors, such as the deepwater area is far from the coastline, the prospecting level of submarine mineral resources is low and coastal hazards are serious.
露天开采海滨砂矿和从岸上打井开采海底矿产资源，必须采取有效措施，防止污染海洋环境。
In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the Marine environment.
深海浅地层岩芯取样钻机是进行深海底矿产资源勘探、深海底地质调查等不可缺少的重大技术装备。
Core sampling drill for deep seabed shallow strata is necessary equipment in exploration of deep seabed mineral resources and survey of deep seabed geology etc.
该海域据推测在海底下面有丰厚的矿产资源，而且该海上航线是航海运输的重要路线。
As well as presumed mineral riches under the sea bed, the sea lanes are a vital route for shipping.
海底锰结核中含有大量的锰、铁、铜、钴、镍等金属元素，被公认为是一种重要的陆地矿产替代资源。
Seabed manganese nodules contain a great deal of metallic elements such as manganese, iron, copper, cobalt and nickel, and they were thought as an important substitute resource for land ore.
海底锰结核中含有大量的锰、铁、铜、钴、镍等金属元素，被公认为是一种重要的陆地矿产替代资源。
Seabed manganese nodules contain a great deal of metallic elements such as manganese, iron, copper, cobalt and nickel, and they were thought as an important substitute resource for land ore.
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