【摘要】 交通事故的发生标志交通流量的下降开始。保护事故现场的时间越短，损失的交通流量就越小。车用微机具备的现场数据还原能力，能使事故产生的时空侵占量降至最低程度。更多还原

【Abstract】 Any occurrence of a traffic accident would mean the start of the decrease in the traffic runoff. So the less time it takes to cope with an accident on the scene,the less loss of the traffic flow. The capability of the automobile computer to search for the original data related to the traffic accident reduces the interval caused by the traffic accident to its minimum.更多还原