This thesis utilizes the methods of historical and realistic analysis, and aims to discuss the inevitability of importing the contractual ideas into administrative laws.
本文旨在通过历史分析的方法和现实分析的方法，探讨契约思想引入行政法的必然性。
METHODS: the concerned contents of the related laws, codes, administrative rules and regulations issued at different time were analyzed comparatively.
方法对不同时间发布的相关法律、法规、行政规章中的有关内容进行比较、分析。
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