关于警察职能的研究是警察学研究中的一个基础而重要的课题。
The research of police function is a basic and important problem in the study of police geography.
要了解这一问题，应从西方“警察学”的理论框架、研究机构和人员等方面进行探讨。
To realize this subject, we should approach it from the theory frame of western Police Science, study institution and personnel.
尽管现在西方警察已经武装到了牙齿，但“最小使用武力论”仍是警察学最基本的原理。
Although present West police already armed the tooth, but "the smallest use military force theory" was still police studies the most cardinal principle.
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