Policy makers and researchers need comparable, systemic survey data on financial access, especially information directly from consumers, but data are costly and time consuming to collect and analyze.
决策者和研究人员需要可比较的、系统性的有关金融服务覆盖面的调查数据，尤其是直接来自消费者的信息，但数据的采集和分析是昂贵和费时的。
Objective: to analyze the anemia status of Chinese population according to the data of China Nutrition and Health Survey in 2002.
目的：使用中国居民营养与健康状况调查(2002)的数据，分析中国居民的贫血状况。
Methods the method of descriptive epidemiology was used to statistically analyze the data from surveillance and cases survey of the special report system for AFP from 1991 to 2004 in Shaoxing city.
方法用描述流行病学方法，对绍兴市1991 ~ 2004年afp专报系统的监测资料和个案调查材料进行统计分析。
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