This paper introduces a kind of hardware and software design, which is the system of automatically back and forth electric car controlled by MCU AT89C51 .是什么意思_This paper introduces a kind of hardware and software design, which is the system of automatically back and forth electric car controlled by MCU AT89C51 .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句