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Library (library) is a scientific, cultural, and educational institution that collects, organizes, and preserves documents and materials and provides readers with access to them.

The word library in English comes from the Latin library, which originally means a place where books are collected.

Various book collection places in ancient China were commonly called libraries by later generations. The term library did not appear until the end of the 19th century.

Library is a product of civilization when human society has developed to a certain stage. It serves the politics, economy, and culture of a certain society and is restricted by them.

Basic information Chinese name: Library English name: Library Definition: Collecting and organizing international standards. In 1974, the International Organization for Standardization promulgated ISO2784-1974 (E) "International Library Statistical Standards" in the "Classification of Libraries" chapter.

It is divided into six categories: national library, university libraries, other major non-specialized libraries (Rocky Hope Library, etc.), school libraries, specialized libraries and public libraries.