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基于IP的网络与传统电信网互通的技术要求
Technical Requirements for Interworking of network Based on IP with traditional telecommunication network
价格:¥0.00
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900/1800MHz TDMA 数字蜂窝移动通信网无线接口第二阶段物理层部分
900/1800MHz TDMA digital cellular mobile telecommunication network radio interface physical layer part (Phase 2)
价格:¥0.00
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900/1800MHz TDMA数字蜂窝移动通信网移动台(第二阶段)人机接口
900/1800MHz TDMA digital cellular mobile telecommunication network man-machine of mobile station (Phase 2)
价格:¥0.00
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数字交换机数字中继接口(2048kbit/s)参数及数字中继接口间传输特性和测试方法
Parameters,transmission characteristics and test methods of the digital relay interface (2048kbit/s) for digital switch
价格:¥0.00
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专用移动通信系统接入公用电话自动交换网的接口技术要求(暂行规定)
Technical requirements for the interfaces between dedicated mobile communication system and public telephone automatic switching network
价格:¥0.00
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