Analyzes the factors influencing the network reference service system and discusses the functions of the system taking the software VRD as an example.
剖析影响网上参考服务系统的因素，并以网上参考服务软件VRD为例，对网上参考服务系统的功能进行探讨。
Analyzes the factors influencing the network reference service system and discusses the functions of the system taking the software VRD as an example.
剖析影响网上参考服务系统的因素，并以网上参考服务软件VRD为例，对网上参考服务系统的功能进行探讨。
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