以下为句子列表：
英文: A very common sedimentary rock is called shale, which is a soft rock and was obviously formed by being deposited on the sea bed.
中文: 一种十分常见的水成岩叫油页岩，他是一种很软的岩石，很明显是因为被压积在海底而后形成的。
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英文: A very common sedimentary rock is called shale， which is a soft rock and was obviously formed by being deposited on the sea bed.
中文: 一块极普通的沉积岩叫页岩，这种页岩质地松软，很明显是通过海底沉积作用形成的。
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英文: According to the hydrocarbon analyses of crude oil samples an offshore oil field in China and the sea bed sediments just over this field, it is proved that the advanced technology can be used in such aspects of offshore geochemical prospecting as the corr
中文: 摘要对中国某海域油气田原油及其上方海底沉积物样品的指纹烃组分特徵进行分析后认为，在海洋油气化探领域中的油与油、油与海底沉积物对比研究和圈闭油气性质识别及圈闭评价等方面，指纹烃技术具有广阔的应用前景。
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英文: Countless billions of minute sea creatures and plants lived and sank to the sea bed.
中文: 数亿的微小海洋动物和植物繁衍生殖并沉到海底。
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英文: Earlier this week another of the quintet, Russia, sent a submarine to the ocean floor at the North Pole, planting a flag on part of the sea bed that it claims is an extension of the Siberian continental shelf.
中文: 上周早些时候，五国之一的俄罗斯派遣一艘深海潜水器前往北冰洋底，在海床上插上了一面俄罗斯国旗，该国声称这一地区的海床是西伯利亚大陆架的延伸。
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