Dr Scott argues that underwater mining will be far less disruptive to the environment than terrestrial mining: there will be no piles of waste rock, since the deposits are directly on the sea floor.
斯科特辩解说水下开采将比陆地开采带来的环境破坏少得多：由于是直接在海底作业，因此将不会有大量的岩石废料。
But chitin deposits never build up on the sea or forest floor.
但是，甲壳素沉积从来没有积累成海洋或森林有机质层。
The study on modern sea-floor metallic sulfide deposits promoted and advanced the theory on genesis of ancient massive sulfide deposits.
对现代海底金属硫化物成矿作用的研究大大推动和促进了对古代块状硫化物矿床成因的认识。
And the sulphide mineral deposits lie directly on the sea floor.
而硫化物矿藏直接坐落在海床上。
And the sulphide mineral deposits lie directly on the sea floor.
而硫化物矿藏直接坐落在海床上。
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