常見例句雙語例句The second part is the SCM control system, is responsible for processing the received ultrasonic wave signal, and output auto-alarm control signal;第三部分是自動撥號報警系統(tǒng)，負(fù)責(zé)接受單片機(jī)輸出的自動報警控制信號，并自動撥號報警。 返回 ultrasonic alarm system