刘向、刘歆父子长期的校书工作实践造就了他们在目录学方面的成就。刘氏父子留下的图书整理研究遗产至今仍有借鉴作用。
Liu Xiang and his son Liu Xin's long-term proofreading practice resulted in their achievements in bibliography, which is still a source of reference for the modern people.
图书馆学的研究对象是图书馆的知识功能，是图书馆对知识的收集、整理、保存和传播。
The object of the study of library science is knowledge function, is collecting, putting in order, preserving and disseminating knowledge.
因为有着计算、整理、文件归档、记录等有效的多种功能，计算机已经在家庭、办公、图书馆和研究所广泛使用。
Computers have been used in the home, offices, laboratories and research institutions, functioning as the most efficient and versatile instruments for calculating, sorting, filing, recording.
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