TD-SCDMA&WCDMA 数字蜂窝移动通信网 通用用户识别模块（USIM）与终端间Cu接口技术要求 第1部分：物理、电气和逻辑特性-TD-SCDMA & WCDMA Digital Cellular Mobile Telecommunication Network User Identity Module (USIM) and the terminal Cu interface requirements between Part 1: Physical, electrical and