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.
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.
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。
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