拖拉机交通事故的发生往往是出乎人的意料,其过程都极短促,无论驾驶员还是旁观者,都一时难以把事故的全过程弄得很清楚。一方面对旁观者来说,事故发生时虽在现场,但由于很突然,没有任何思想准备。因而他们提供的证词往往是经过事后追忆或主观推测而形成,难免出现片面或错误。另一 Tractor traffic accidents are often unexpected, the process is extremely short, both the driver and bystander, it is difficult to make the whole process of the incident very clearly. On the one hand, to the spectator, though the scene of the accident occurred, he suddenly did not have any ideological preparation. Therefore, the testimony they provide is often formed after the recall or subjective speculation, which inevitably appears to be unilateral or wrong. another