Empirical study on the procedure in the substantialization of criminal trial 并列题名：Empirical study on the procedure in the substantialization of criminal trial Study on the procedure of evidence investigation in criminal trial 并列题名：Study on the procedure of evidence investigation in criminal trial Research on the path of substantiation of criminal trials the Chengdu experience in the substantialization of criminal court trial Study on the materialization of criminal trial 并列题名：Study on the materialization of criminal trial 理性 实践 规则：刑事庭审实质化改革的成都样本：the Chengdu experience in the substantialization of criminal court trial Empirical study on the speech acts in the criminal courts of China