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犯罪分子在实施犯罪的过程中,通常会遗留下一些能够为侦破案件提供线索和证据的痕迹和物质,这些痕迹和物质称为特殊痕迹和物质。在刑侦工作中,这些特殊痕迹和物质能够为侦破案件、起诉犯罪分子、审判罪行等提供重要证据。
Criminals often leave traces and substances that can provide clues and evidences for the detection of crimes in the process of committing crimes. These traces and substances are called special signs and substances. In the criminal investigation work, these special marks and materials can provide important evidence for the detection of cases, prosecution of criminals and trial of crimes.