用户界面是指人与机器之间交互作用的工具和方法。如键盘、鼠标、跟踪球、话筒都可成为与计算机交换信息的接口。-The user interface is the interaction between man and machine tools and methods. Such as keyboard, mouse, track ball, microphone and computer can become the interface to exchange information.

自动追踪球机方案,人物和车辆移动识别追踪 详细可QQ332153018-Automatically track ball machine program, characters and vehicles moving identification and tracing Details can QQ332153018