血迹形态类型:喷溅状血迹(projected bloodstain);溅落状血迹(impacts spatter bloodstain);抛甩状血迹(cast off bloodstain);滴落状血迹(drip bloodstain);流柱状血迹(flow bloodstain);堆积状血迹(blood pool);转移状血迹(transfer bloostain);擦拭状血迹(Swipe or wipe bloodstain);侵染状血迹(soaked bloodstain);稀释状血迹(diluted bloodstain)