“中学物理是一门基础学科 ,是整个自然科学和现代技术发展的基础 .物理知识在现代生活、社会生产、科学技术中有着广泛的应用 .”高中《物理》课本中示波器原理等足以体现《大纲》这一精神 .示波器作为科技工作必备的基础工具 ,是新世纪学生必须掌握的 ,显示器件作为现代技术 “Physics in middle school is a basic discipline which is the foundation of the entire natural science and the development of modern technology.Physical knowledge has a wide range of applications in modern life, social production and science and technology.” The oscilloscope principle in physics textbook of high school is enough to reflect “ Outline. ”The oscilloscope as an essential tool for science and technology work must be mastered by students in the new century. Display devices as a modern technology