Book circulation rate is the important indicator that measures the quality of library collections and services, and there are many factors influenced it.
图书流通率是衡量图书馆藏书质量与服务质量的重要指标，而影响图书流通的因素很多。
Book circulation rate is the important indicator that measures the quality of library collections and services, and there are many factors influenced it.
图书流通率是衡量图书馆藏书质量与服务质量的重要指标，而影响图书流通的因素很多。
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