2. Meridian Theory & Acupuncture Basics（经络学说与针灸基础）

2.1 Structure and classification of the meridian system 2.2 Principles for selecting acupuncture points and point location methods 2.3 Mechanisms of acupuncture treatment and safety considerations 2.1 经络系统的组成与分类 2.2 经穴取穴原则与定位方法 2.3 针灸治疗的机理与安全注意事项