一、问题的提出由于被以往核定图书馆等级的传统观念一一拥有藏书量所禁锢,片面追求藏书量,图书馆很少有持之以恒的剔旧工作,故馆藏多有老化现象。加上现时科学技术迅猛发展,图书文献资料亦呈“爆炸式”涌现,图书馆的藏书比以往任何时期更呈爆满之势。尽管馆舍时有扩建,但仍感日趋拥挤。实际上,除版本馆外,其它类型馆的供研究参考的科技图书文献资料,只有不断地审剔优化,才能与不断换代的科技发展协调同步。故对图书馆来说,藏书的剔旧与选购是同样重要的,是藏书建设过程中相辅相成 First, the issue raised Because the traditional concept of the approved library level one by one with possession of the amount of possession of one by one, one-sided pursuit of the volume of books, the library rarely persistent work of the old ticks, so the collection of many aging phenomenon. Coupled with the rapid development of science and technology, books and literature have also been presented as “explosive”. Library collections have been more or less full than ever before. Despite the expansion of the premises, they are still feeling crowded. In fact, in addition to the version of the museum, other types of museums for research and reference of science and technology books and materials, only continuous optimization, in order to keep pace with the continuous development of science and technology. Therefore, for the library, it is equally important that the old books are bought and picked, complement each other in the process of collecting books