问答社区是一种全新的参考咨询服务模式。

Ask-Answer community is a new type of reference service.

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建立复合图书馆的参考咨询服务模式，必须更新观念、开拓创新。

If we want to set up reference service of hybrid library, we must replace mentality and open up and bring forth new ideas.

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数字图书馆中虚拟参考咨询服务通常采用三种模式。

Virtual reference service usually adopts three models in digital library.

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