指纹显现技术的发展动向

Developing Trend on the Appearing Techniques of Human Fingerprints

人的指纹各不相同,终生不变。然而在各种犯罪现场出现的指纹常是潜在的,必须通过物理、化学、生物、光电等技术使之可见。指纹显现技术在打击犯罪活动中发挥着巨大作用。

Human fingerprints differ from one another and are invariant allone's time. Because fingerprints in the scene of a crime often are latent, the reappearance of the fingerprints must be with the help of phsicali chemical, biological and photoelectric techniques. The appearing techniques of human fingerprints are playing a important part in cracking down on crime.