“502”熏显手印广泛应用于非渗透性客体上的手印显现,其显现出的手印纹线清晰、稳定、易于现场操作,在基层公安机关的刑事技术部门中应用广泛,有时在实践中经常出现熏显过厚以致纹线模糊不清的情况,还需要我们对熏显过厚的指纹进行减薄处理。 “502 ” Smoked fingerprints are widely used in non-penetrating fingerprints appear on the object, which shows the fingerprint lines clear, stable and easy to operate on the scene, at the grassroots level public security organs criminal technology sector is widely used, and sometimes in practice Often appeared smoked too thick so that the lines blurred, but also we need to smoked too thick fingerprints thinning treatment.