WHO and its partners have provided drugs for case management, emergency supplies for outbreak investigation and technical guidance for outbreak control and management.

世卫组织及伙伴已提供药品开展病例管理、紧急用品进行疫情调查以及技术指导以控制和管理疫情。

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Then, the technical schemes of central air condition system was compared and optimized in aspects of prophase investigation, system control and communication method by practical case.

结合实际情况，从前期调研、系统控制方案、通讯方案等几个方面对中央空调轮停的技术方案进行比较，优选实施方案。

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Methods Reviewing investigation was used for the MV coverage rate and immunization efficacy (ve), a case control study was carried for seeking risk factors.

方法采用回顾性调查研究方法计算麻疹疫苗(MV)效力(VE)，采用病例对照研究进行传播因素分析。

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