Through examination of them, the spy scope is lessened.the key clue and the direction are provided for solving a case, and the scientific evidence for approving a crime will be obtained.

• 法庭科学实验室检验纸张的目的是为了缩小侦查范围,为侦破案件提供线索、指明方向,为证实犯罪提供科学的依据。