It would surely be wrong to let them go scot-free just for lack of finger-prints.
由于缺少指纹而使他逍遥法外是肯定错误的。
2
The police went through their files to see if they could find any finger-prints to match those that they had found on the handle of the weapon.
警方仔细检查了他们的档案，看是否能找到同在凶器柄上发现的指纹相符的指纹。
3
The resulting DPCI spectra can be not only used as finger-prints to distinguish the different polymers, but also applied to investigate mechanism on thermal pyrolysis of polymers.