Anything at or just below the surface of the seabed-the benthic zone, in fishery parlance-gets dragged up.
海底或仅仅在海底表面下一点，用渔业的说法，就是深海底栖带，任何生活在这里的生物都会被拖上来。
Unfortunately, the cloud contains a lot of other stuff. Anything at or just below the surface of the seabed-the benthic zone, in fishery parlance-gets dragged up.
可惜，拖网还带上来很多生活在深海区海床表面或下面的其他生物，渔业术语叫做一网打尽。
Embankment shell variety, mostly for the intertidal zone or shallow seabed sediment mollusc species present health.
堤上贝壳种类丰富，多为潮间带或浅海泥沙海底软体动物的现生种属。
Research purposes: Jiaozhou Bay Tunnel is needed to cross the seabed fault zone, but a little survey geological data are obtained because of the means limitation of engineering survey.
研究目的：胶州湾隧道需穿越海底断层破碎带，因工程地质勘察手段的局限性，决定了勘测阶段的地质资料不足。
Research purposes: Jiaozhou Bay Tunnel is needed to cross the seabed fault zone, but a little survey geological data are obtained because of the means limitation of engineering survey.
研究目的：胶州湾隧道需穿越海底断层破碎带，因工程地质勘察手段的局限性，决定了勘测阶段的地质资料不足。
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