第二部分的功能论则从诉讼中法律问题和事实问题的划分上研究法律审的重要性,并从法律审在案件的不同审级中的运作样态角度来揭示法律审的功能,从而深入了对法律审的认识。

• the second part is the study of function, and expounds the differences between law problem and fact problem in legal case, the study deepens the understanding of the trial of law.