In the hardware system, single-chip computer (AT89C51) and programmable interval timer(8253) is the major part of hardware system.This simp...是什么意思_In the hardware system, single-chip computer (AT89C51) and programmable interval timer(8253) is the major part of hardware system.This simp...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句