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日本先锋公司最近开发出防止司机开车打瞌睡的系统,它可通过心跳速度的变化,监测司机是否打瞌睡,在睡意来临15分钟前提醒司机注意,防止发生事故。
Japan's Pioneer recently developed a system that prevents drivers from drowsing. It monitors changes in heart rate to monitor whether the driver falls asleep and reminds the driver 15 minutes before drowsiness comes to prevent an accident.