【摘要】 犯罪现场上经常会发现残缺、重叠或模糊的手印，往往难以利用其纹线特征进行鉴定。而手印中还可能含有留痕人的个体特征、生活习性和活动轨迹等易被忽略的微量物质信息，即丰富的内源性和外源性微量物质。着重分析研究手印中的微量物质，旨在刻画留痕人的个体特性，为侦破案件提供重要的信息。更多还原

【Abstract】 Incomplete, overlapping or blurred fingerprints are often found at the crime scene, and it is difficult to use their ridge features for identification. Trace materials in fingerprints may contain easily neglected information of the person who leaves the traces, such as individual characteristics, living habits and activity tracks, namely endogenous and exogenous trace materials. The trace materials in fingerprints are emphatically analyzed, aiming to depict the individual characteristics of the person who leaves traces and provide important information for the detection of cases.更多还原