章节内容

 本章的PPT分享给各位同学，我们的授课方式采用线上+线下的混合式授课，章节课程资源供大家课前预习、课上融合以及课下复习使用，线上与线下教学资源帮助同学们强化理论知识与实践案例的掌握，激发同学们对理论和实践的自我思考，提升学生们的思考能力、分析能力以及科研基础能力。

Chapter content

The PPT of this chapter is shared with all students. Our teaching method adopts Online + offline mixed teaching. The chapter curriculum resources are used for pre class preview, in class integration and after class review. Online and offline teaching resources help students strengthen their mastery of theoretical knowledge and practical cases, stimulate students' self thinking on theory and practice, and improve students' thinking ability, analysis ability and basic scientific research ability.