通过分析西方各国侦查程序的特点与发展趋势，反思我国侦查程序存在的制度性缺陷。
Only analyse the characteristics and development trends of the procedure in various western countries, introspect the system defect of the procedure in our country.
最后，文章对我国现行减刑制度的正当性进行了认真反思。
In the end, the author made a discussion about the justifiability of the current commutation system.
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