Periodical DB for MARC (machine readable catalog) is an important part of library bibliography DB, and also the basis of automatic management and resource share for library.

连续出版物机读目录数据库是图书馆书目数据库的重要组成部分，也是图书馆自动化管理和资源共享的基础工作。

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In its own departure from tradition, the huge accompanying catalog explores different aspects of abstraction with 36 unusually terse and readable essays that admirably expand the exhibition's reach.

WSJ: The Concrete Challenges of Abstraction | Inventing Abstraction | By Tom L. Freudenheim