简介 https://youtu.be/xMBkmrPkLkE 你有没有想过，为什么银行大厅里总有一块LED滚动屏幕？它看起来很普通，但

简介 您是否遇到过画面突然冻结、声音和图像不同步、视频播放不流畅的情况？

简介 https://youtu.be/EV5Ev8-971c 当你走进企业展厅时，还在为如何高效展示企业风采而烦恼吗？传统的展板

走进药店，你是否被那些高科技的LED屏幕所吸引？它们究竟拥有怎样的魔力，让药店与众不同？

Introduction https://youtu.be/Bl7vetJA3lI Have you ever wondered why gas stations always choose single color LED displays? Is it just because it is cheap? In fact, there is

Introduction https://www.youtube.com/watch?v=0qDB668WRJo When you step into an amusement park, have you ever thought about how many surprises are hidden behind those flashing LED displays? They