这些规则提供了更详细的信息，是关于存在一个昵称各个列的关系和约束。

These rules provide more detailed information about the relationships and restrictions that exist on the columns of a nickname.

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相比于大陆冰川沉积物，海洋沉积物提供了更完整的更新世时期的地质记录。

Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.

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但是，自二十世纪五十年代以来一些技术的发展为这些学科的研究提供了更健全、更客观的基础。

A number of techniques developed since the 1950s, however, have placed the study of these subjects on a sounder and more objective footing.

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Very high correlation between the two which in many ways gives credence to the many years of research that has been conducted, before we have the technology to do it in a more sophisticated way.

两者有很大关联，这在很多方面,给多年来进行过的研究提供了可信度，在拥有技术进行更全面的研究之前。

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There's one on DNA fingerprinting, for example, that gives you a little bit more detail about that specific technique; another one on production of therapeutic proteins.

例如,这里有一段,是关于DNA指纹图谱法,提供了这项具体技术一些更详尽的细节,另一段是关于治疗性蛋白质的生产的

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