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为更好地防范和打击电信诈骗，本文通过分析电信诈骗用户的历史通信行为数据，基于CDR话单分析方法，分别对通话时间频率分布，通话时间间隔分布，同一对象通话次数频率分布，通话周期和通话间隔相关性进行分析，得出电信诈骗用户部分行为特征。结合用户行为模型，本文研究成果能为公安机关打击电信诈骗提供参考依据。“,”In order to prevent and crack down telecommunication fraud with CDR analytical method and based on analysis of the user′s historical communication behavior data in telecommunication fraud, the distribution of conversation frequency and interval, the distribu-tion of conversation number and frequency of the same user, the correlation of conversation period and interval, some behavior character-istics of the user in telecommunication fraud could be acquired. Combined with the user behavior models, the research result may serve as a reference for the public security organs in combating telecommunication fraud.