For the sake of improving on traditional the means of telemeter, This article studys and designs Ultrasonic Range Finder Based on Singlechip.是什么意思_For the sake of improving on traditional the means of telemeter, This article studys and designs Ultrasonic Range Finder Based on Singlechip.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句