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。
In China research on Automatic Crash Notification technology has just started, a comprehensive emergency rescue theory remains yet to be developed.
穿用者也可通过急剧拉扯松紧带来触发报警系统，报警信号会吓走攻击者，也能当作呼救信号。
The wearer can also trigger the alarm voluntarily by sharply pulling the drawstrings to scare off the attackers and as a call for help.
穿用者也可通过急剧拉扯松紧带来触发报警系统，报警信号会吓走攻击者，也能当作呼救信号。
The wearer can also trigger the alarm voluntarily by sharply pulling the drawstrings to scare off the attackers and as a call for help.
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