方法：采取整群抽样，对安宁市村级卫生服务提供者进行调查。
Methods: To applied cluster sampling method interview all the village health workers.
分析了安宁市环境噪声质量状况、主要来源和污染原因，提出了防治及控制措施。
The situation of environmental noise quality of Anning is analyzed, as well as the noise sources and the reasons of pollution, based on which, control measures are pointed out.
在城市竞争力分析框架下，分析了云南省安宁市的城市竞争性环境，从另一个角度审视城市竞争力。
The case analyzes the urban competitive environment of Arming, a city in Yunnan province t based on the framework of urban competitive edge, which is another point of view for that.
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