B7 Proprietary knowledge is customized for the local context and specific business needs, to the point of being idiosyncratic.

专有知识是特质的，适应当地的背景和特殊的业务需要。

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Objective: To learn about the awareness of HIV/AIDS prevention knowledge in the community and to provide the evidence on public education on HIV/AIDS in context with the local situation.

了解圈掌社区居民掌握艾滋病防治相关知识现状，为今后有针对性地开展艾滋病防治宣教工作提供依据。

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