As a supplement to police crime records, such surveys could assist in providing a fuller picture of the nature and extent of crime victimization and of perceptions of the performance of the criminal justice system.
犯罪受害人调查作为警方刑事记录的补充，有助于更全面地说明犯罪受害情况的性质和程度，以及对刑事司法制度执行情况的看法。