An offshore shoal or bar refracts ocean surface waves and causes wave focusing/defocusing on the adjacent beach. Wave fo......

通过对福建沿岸８个钻孔的孢粉、硅藻的综合分析，发现晚第四纪地层中有８个综合孢粉组合带与７个硅藻阶段。结合古地磁和１４Ｃ测年资料认为，该地......

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