emergency_notification_on_有道手机词典

1.In China research on Automatic Crash Notification technology has just started, a comprehensive emergency rescue theory remains yet to be developed.
我国在车辆事故紧急自动呼救领域的研究才。刚刚起步，还没有建立完善的紧急呼救系统理论。
dict.yoduao.com