求翻译：然后本文的第三章从依法行政原则及信赖保护原则对行政许可撤销权的行使限制进行探讨。同时说明在撤销自由原则与信赖保护原则出现冲突时，笔者的解决建议。是什么意思？

Then the this article third chapter from legally the administrative principle and the faith protection principle to the administration permitted the cancellation power exercises the limit to carry on the discussion.Simultaneously explained appears the conflict when the cancellation free principle an

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