指导警察勤务具有较大指导意义的是“管理主义”和“公共选择”两大理论。

The"management theory"and "public choice"are the two major theories guiding police service.

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这是一场公然执行的枪决，且为达拉斯警察局、秘密勤务局、联邦调查局和白宫中志同道合者们甚至上至J。

It was a public execution and it was covered up by like-minded individuals in the Dallas Police Department, the Secret Service, the FBI, and the White House, all the way up to and including J.

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