indoor and outdoor man-machine interaction
...室内外双人机交互；LED与LCD显示 [gap=1222]Key words：80C51 rnicrocontroller；voice alarm system；indoor and outdoor man-machine interaction；LED and LCD display ..
基于1个网页-相关网页
indoor and outdoor man-machine interaction
室内外人机交互
以上为机器翻译结果，长、整句建议使用 人工翻译 。