广东省广州市荔湾区在“基于常态课研训一体化区域教研模式的实践研究”中,构建了基于常态课课例研究的“二元五次”研训模式。其中“二元”是指两次观课,“五次”是指基本流程中包括五个环节,即合作课堂设计—教学及同伴观课—反思及评估修订-修订后再教及观课-再反思及结果分享。在研究实践中,建构了“同课循环”“多课一题”“同课擂台”“师徒同课”四种具体的操作模式。 Liwan District, Guangzhou City, Guangdong Province, has built a “binary five times” training mode based on the normal class case study in “Practice Research on Integrated Regional Teaching and Research Mode Based on Normal Course”. Among them, “binary ” refers to two observation classes, “five times ” refers to the basic process includes five aspects, namely, cooperation in classroom design - teaching and peer lesson - reflection and assessment of revision - revising And View Lessons - Re-reflection and Results Sharing. In the research practice, we constructed four concrete modes of operation, such as “class cycle ” “one lesson ” class arena “” mentoring class ".