The invention relates to a taxi roof numeral multi-purpose intelligence integration electron display screen system, belongs to the advertisement issue carrier domain.
一种出租车车顶数字多功能智能一体化电子显示屏系统，属广告发布载体领域。
Useing high energy electron beam as pumping source to excite semiconductor crystal screen laser could be generated. It can realize high brightness and high resolution display.
用高能电子束作泵浦源，去激励半导体晶体屏，可以产生激光，实现高亮度高清晰显示。
Useing high energy electron beam as pumping source to excite semiconductor crystal screen laser could be generated. It can realize high brightness and high resolution display.
用高能电子束作泵浦源，去激励半导体晶体屏，可以产生激光，实现高亮度高清晰显示。
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