Technology that stops tired drivers from falling asleep behind the wheel and helps to eliminate one of the avoidable causes of fatal road traffic accidents is attracting the attention of managers of fleet - operating companies worldwide 一种可用来防止疲劳驾驶的司机在行驶中睡觉,以此消除这一重大交通事故隐患的技术,正成为世界各地的车辆运营公司管理层关注的焦点。