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本文主要阐述了警察权的性质、内容、行使原则以及保障等四个方面的内容。
The paper mainly expounds the nature, the content, the exercise principle and the safeguard of the right of police.
本部分对检察官自由裁量权在各国的行使原则、行使权限、制约机制进行了大概介绍和比较研究，并提出了各国检察官自由裁量权的发展趋势。
This part first introduces the principles, limitation of power and supervision mechanism of prosecutor's discretionary power operated in other countries, then points out its developing trend.
世界卫生组织对其信息行使版权，以确保其按照本组织的目标和原则予以使用。
WHO exercises copyright over its information to ensure that it is used in accordance with the Organization's aims and principles.
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