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1. The geologist used the clastic ratio to determine the age of the rocks.
地质学家利用岩石比例来确定岩石的年龄。
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2. The construction company was required to maintain a certain clastic ratio in their concrete mix.
建筑公司被要求在其混凝土混合物中保持一定的岩石比例。
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3. The engineer calculated the clastic ratio based on the density and size of the rocks.
工程师根据岩石的密度和大小计算了岩石比例。