文献载体是信息时代知识文化和知识信息的凝结形态，它的保护和利用至关重要。
Literature carrier is condensation of knowledge culture and information in information age, its protection and utilization is of vital importance.
经济时代的到来，文献的激增对现代图书馆的服务方法和图书馆本身的管理提出了更高的要求。
With the coming of information age, the sharp increase in literature offers higher demands for library administration and service ways of modern library.
这些工作大部分发生在Miller与Urey做那个划时代意义的实验的时期，但是在科学文献中从没有被提到。
And most of the work, which took place in the years following Miller's landmark experiment with Urey, had never been described in the scientific literature.
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