电路实验是近几年高考的热点内容,由于电路灵活多变,学生往往容易混乱抓不住要点,文章从整体把握提出两个电路模型,并应用于电路设计和分析,为复习备考提供一种思路和方法。 The circuit experiment is the hot spot of college entrance examination in recent years. Due to the flexible circuit, students are often confused and unable to grasp the key points. The article puts forward two circuit models from the overall grasp and applies them to the circuit design and analysis to provide a Ideas and methods.