只显示文字 meaning in English

text only

A systematic one is to only shows the charactersing for this , led ' s display screen of characters system of the figure symbol is studied , realize through this system what this display screen show content long - range to control , at any time go on and show basic purpose that content upgrades
这些都要求该技术进一步的完善和提高。本系统是针对只显示文字，图形符号的文字led显示屏系统而进行研究的，通过该系统实现对显示屏的远程控制，随时可以更新显示内容。