案例资源分为两大类,视频式案例和文本式案例。汉语作为第二语言教学视频式案例主要呈现课堂的全貌,重点展现教师的教学方法和教学技能,它有着独特的开发原则和开发流程。 Case resources are divided into two categories, video case and text case. The case of Chinese as a second language teaching video mainly presents the whole picture of the class, focusing on the teachers’ teaching methods and teaching skills. It has a unique development principle and development process.