... accident shield 事故屏蔽 accident signaling system 事故报警系统；事故信号[报警]系统 accident source term 事故源项 ...
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本系统可安装在汽车上，用于雾天或夜间监测前方车辆，并在车速、车距达到临界安全值时发出报警信号，以避免交通事故的发生，确保行车安全。
It can give alarming signal when the speed of vehicle and the distance between vehicles reach the edge of security, so more traffic accidents can be avoided.
系统可以检测出空气中硫化氢气体的浓度，并且当测量值超出预设报警限时可以发出声光报警信号，提示现场工作人员采取紧急措施，减小中毒事故的发生率。
This system can measure the concentration of H2S in air. When the measured value is greater than the reference value, the alarming circuit will work. Then the hazard of danger will be decreased.
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