头部撞击能够损伤或撕裂嗅神经。
研究不同撞击速度下，红细胞损伤情况。
To research the hurt status of red blood cell in different impacting speed.
目的研究颌面部撞击伤合并颅脑损伤的损伤特点。
Objective To study the characteristics of maxillofacial injury associated with brain injury.
使用安全，当飞机或车辆撞击时，造成的损伤很小，甚至不会造成损伤。
Safetyinflict little or no damage to the vehicle or aircraft that hit the marker accidentally.
使用安全，当飞机或车辆撞击时，造成的损伤很小，甚至不会造成损伤。
Safetyinflict little or no damage to the vehicle or aircraft that hit the marker accidentally.
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