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科学的藏书零外借率是评价一个图书馆可持续发展的重要指标之一。笔者结合工作实践,对往昔零外借率的概念及计算公式进行了修正,并运用修正后的计算公式对某年购进的新书、馆藏可流通藏书、某一学科图书的零外借率进行了计算与分析。旨在能科学地反映图书馆藏书的零外借率,进而可以将零外借率用于图书馆相关评价,建立起良好的藏书结构,从而最大限度满足读者的需求。
The zero lending rate of scientific books is one of the important indexes to evaluate the sustainable development of a library. Based on the work practice, the author amended the concept and calculation formula of zero foreign exchange rate in the past and used the revised formula to calculate the zero-loan-rate of a certain book purchased in a certain year The calculation and analysis. The purpose is to reflect the zero-loan-rate of library collection scientifically and to use the zero-loan-rate for library-related evaluation so as to establish a good collection structure of books and maximize the readers’ needs.