礼岷前陆盆地经历了早期深海—半深海的复理石沉积阶段和晚期陆相磨拉石沉积阶段。

The Lixian-Minxian foreland basin undertook abyssal-bathyal flysch deposition at its earlier evolution stage and continental molasse stage at its later evolution stage.

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据估计，在最高的海底山中，几乎一半是在深海海底，而且那里海洋生物特别丰富。

It is estimated that roughly half of the world's highest seamounts-areas that rise from the ocean floor and are particularly rich in Marine life-are also found in the deep ocean.

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缅因只剩下了70条深海捕鱼船，不足20世纪90年代的一半，近十年减少得尤为迅速。

There are only 70 groundfishing vessels left in Maine, less than half the number in the 1990s, and a far cry from decades past.

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