PLC main control tie-in hominize interface, large contact type liquid crystal display, easy operation, easy decode.

主控制采用PLC搭配人机界面，大型触控式液晶荧屏，操作简单，判读容易。

Dichroitic azo dyes play an important role in the color liquid crystal displays because of their characteristic structure and the ability of being chemical modified.

偶氮染料分子结上的特和可修饰,在液晶彩显示中得到重要的应用。

Also some liquid crystal displays depend on, demonstrated body itself which the modulation outside light realizes nonluminous, does not stimulate the eye, is not easy to be weary and so on the merit.

还有液晶显示靠调制外界光来实现的，显示体本身不发光，不刺激眼睛，不易疲劳等优点。