However, it's highly unlikely the tsunami-generated debris would be contaminated with radioactive material, according to the National Oceanic and Atmospheric Administration's Marine debris program.

然而，根据国家海洋和大气管理局的海洋废弃物方案，海啸产生的碎片受放射性物质污染是非常不可能的。

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This alloy can also be used as functional material for other Marine parts.

此外，这种合金作为功能材料可用于船舶其他零部件。

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The quantitation and semi quantitation study of the material sources of Marine sediments is one of the important question for study in Marine sedimentology.

海洋沉积物的物质来源的定量、半定量研究，是海洋沉积学的重要课题之一，也是难题之一。

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More than 150 million years ago, massive blooms of microscopic marine plants created a huge blanket of organic material on the sea floor.

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The meeting is expected to discuss how to improve marine environmental accident response support, such as on the radiological material discharge after the recent accident at Fukushima Power Plant in Japan in March 2011.

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