Virtual reference service is the development direction of academic library.
虚拟参考服务是图书馆参考咨询工作的发展趋势。
Virtual reference service is playing an active and important role in library services.
实时虚拟参考咨询服务在图书馆服务中发挥着积极且重要的作用。
Virtual reference service is playing an active and important role in library services.
实时虚拟参考咨询服务在图书馆服务中发挥着积极且重要的作用。
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