The X window System and current desktop software make remote access fairly transparent: a window is a window, and the underlying application could be running on any computer.
X Window System和现有的桌面软件使得远程访问变得相当透明：窗口仅仅只是窗口，而基础应用程序可以运行于任何计算机。
2
And discuss the detector, local controller and remote controller of the system, the communication mode of the system, the thinking of software design and the arithmetic of the detector in detail.