electronic fingerprinting method英 [ɪˌlekˈtrɒnɪk ˈfɪŋɡəprɪntɪŋ ˈmeθəd]美 [ɪˌlekˈtrɑːnɪk ˈfɪŋɡərprɪntɪŋ ˈmeθəd]网络 电子仪器提取指纹法法律