• 目的了解梅州城区旅店业卫生状况公共卫生提供科学依据

    Objective To understand the sanitary status of hotels in Meizhou urban district and provide scientific basis for public sanitation policy.

    youdao

  • 目的探索梅州山区城区老年社区健康保健有效策略

    Objective To explores the urban old community's health care effective tactics of mountain area of Meizhou.

    youdao

  • 目的探索梅州山区城区老年社区健康保健有效策略

    Objective To explores the urban old community's health care effective tactics of mountain area of Meizhou.

    youdao

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