| 浅析凹坑状圆柱形钥匙的复制痕迹特征 |
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| 引用本文： | 孟秋岚,田艳丽.浅析凹坑状圆柱形钥匙的复制痕迹特征[J].贵州警官职业学院学报,2013,25(4):65-68,128. |
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| 作者姓名： | 孟秋岚 田艳丽 |
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| 作者单位： | 1. 贵州警官职业学院,贵州贵阳,550005
2. 重庆市公安局沙坪坝分局,重庆,400030 |
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| 摘 要： | 痕迹特征显示,导针在凹坑底面的垂直印压痕迹、导针与凹坑壁的斜向碰撞擦划线条痕迹、导针与凹坑侧壁的横向擦划痕迹,可作为判定圆柱形钥匙是否被复制依据的痕迹;齿间柱面上的复制痕迹、钥匙体夹持面痕迹可作为判定圆柱形钥匙是否被复制的参考辅助痕迹。
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| 关 键 词： | 凹坑状圆柱形钥匙 痕迹复制 印压痕迹 擦划痕迹 |
Brief Analysis on the Features of Duplicated Traces from Cratered Cylindrical Keys |
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| MENG Qiu-lan
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TIAN Yan-li.Brief Analysis on the Features of Duplicated Traces from Cratered Cylindrical Keys[J].Journal of Guizhou Police Officer Vocational College,2013,25(4):65-68,128. |
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| Authors: | MENG Qiu-lan TIAN Yan-li |
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| Institution: | 1.Guizhou Police Officer Vocational College,Guiyang 550005,P.R.China 2.Shapingba Branch of Chongqing Municipal Public Security Bureau,Chongqing 400030,P.R.China) |
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| Abstract: | The trace features show that the guide pin＇s vertical pressing traces,the oblique line traces caused by the scratches between guide pin and cratered side and the transverse traces caused by the scratches between guide pin and cratered side could be used to determine whether the cylindrical key has been duplicated or not,and the duplicating traces on the interdental cylinder and the traces on the key body clamping surface could be used to determine whether the cylindrical key has been duplicated or not. |
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| Keywords: | cratered cylindrical keys trace duplication pressing traces scratching traces |
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