分三部分：1、窗口的显示；2、窗口的停留；3、窗口的消失； 如果达到这样郊果，系统中要有三个定时器，进行分别控制。-Three parts: 1, the window display 2, the window stay 3, window disappeared If this to such rural fruit, system to have three timer, respectively for control.

The clean energy future that would lie ahead for the world is solar energy. The use of solar energy, principally PV, for different applications, and mainly grid connected, is well suited to most of the rural areas due to the lack of electrification.