说明：  这是一个用vb编写的高中物理教学演示程序, 包含运动学,电磁学和光学三大内容,软件直观的反映了随着各个参数变化,粒子或物体的运动轨迹,使大家理解,记忆更加深刻
(with vb prepared by the high school physics teaching demonstration program, including kinematics, electromagnetic and optical three, intuitive software as a reflection of the various parameters, particle or a moving object, so that we understand and remember more profound)