Bibliography information service is one of the most important parts of library information work as well as one of the most important means of serving reader work.
书目信息服务是图书馆信息工作的重要组成部分，是读者服务工作的重要手段之一。
Bibliography information service is one of the most important parts of library information work as well as one of the most important means of serving reader work.
书目信息服务是图书馆信息工作的重要组成部分，是读者服务工作的重要手段之一。
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