摘要
撬压痕迹与打击痕迹的作用力形式不同,分别是杠杆作用和碰撞作用。撬压痕迹的特点是一次动作形成两处痕迹,打击痕迹的特点是一次动作形成一处痕迹。拆离撬压和扩缝撬压形成的凹陷状痕迹与打击痕迹有相似之处,撬压痕迹与打击痕迹可以从痕迹的形态、数量、深度及位置等四个方面加以区别。
The acting force of prying and pressing marks is leverage effect which is different from that of hitting marks , impact effect. The feature of prying and pressing marks is two marks after one action and for hitting marks, it is one mark after one action. The prying and pressing marks with the appearance of depressing by detachment and seam expanding are similar to hitting marks. We can distinguish prying and pressing marks from hitting marks on the basis of the shape, number, depth and position of the marks.
出处
《辽宁警专学报》
2009年第2期56-58,共3页
Journal of Liaoning Police Academy
关键词
撬压痕迹
打击痕迹
区别
prying and pressing marks
hitting marks
distinguish
