着重讨论了由这些记录提取的古气候和古环境变化方面的研究进展，并提出了今后的研究重点。
Emphasis is laid on the study of climatic environment from these records in ice cores. Some favorable study trends are presented.
北大西洋深海的沉积物中饱含丰富的古气候和古环境信息，能够满足对古气候变化机制的深入分析。
The sediment from North Atlantic contains much information of palaeoclimate and Palaeoenvironment, and it is enough for thorough analysis the mechanism of palaeoclimate.
古盐度的恢复是对古环境和古气候研究的重要方法之一。
Paleosalinity recovery is one of the important methods for paleoenvironment and paleoclimate study.
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