I did fingerprinting twice within 4 months, why?

来源: 于 2006-12-09 18:38:01 [旧帖] [给我悄悄话] 本文已被阅读：次

I was asked for 2nd time fingerprinting recently, only 4 months after the first time fingerprinting (mid of August, 2006). Why? Can any body help for this question? Thanks