The diatom assemblages of surface sediment in tidal beach supply a very important scientific evidence for restoring the paleoenvironment, the changes of shoreline and the sea level.
潮滩表层沉积的硅藻组合研究为利用化石硅藻恢复古环境、岸线变迁、古海面变化提供重要的科学依据。
Moreover, even when the crabs were taken from the beach and put back in the dark, they continued their tidal rhythm.
而且,即使把蟹从海滩上带回来放在黑暗中,它们仍然保持它们的潮汐节奏。
Friday's fictional scenario starts with a major earthquake off the coast of Huntington Beach, California, generating a tidal wave and an oil spill.
周五的演习假设加州亨廷顿海滩发生大地震,引发海啸与原油泄漏。
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