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数据通信接口转换器能效参数和测试方法
参考页数:8
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基于公用电信网的宽带客户网络设备技术要求 第5部分:PON和移动蜂窝双上行客户网关
参考页数:22
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油气田场站通信系统工程施工规范(附条文说明)
参考页数:54
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石油天然气建设工程施工质量验收规范 通信工程 第4部分:长输管道站场通信(附条文说明)
参考页数:75
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信息技术.开放系统互连.第1部分:对象标识符解析系统
Information technology - Open systems interconnection - Part 1: Object identifier resolution system
参考页数:19P;A4
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信息技术 系统间远程通信和信息交换 高级数据链路控制规程 与X.25LAPB兼容的DTE数据链路规程的描述
Information technology - Telecommunications and information exchange between systems - High-level data link control procedures - Description of the X.25 LAPB-compatible DTE data link procedures
参考页数:39P;A4
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信息技术.系统间的远程通信与信息交换.专用综合业务网(PISN).规范、功能模型和信息流.呼叫占用补充业务
Information technology - Telecommunications and information exchange between systems - Private integrated services network - Specification, functional model and information flows - Call intrusion supplementary service
参考页数:73P.;A4
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信息技术.系统间远程通信和信息交换.计算机支持的远程通信应用(CSTA)阶段III的定义和术语用术语表
Information technology - Telecommunications and information exchange between systems - Glossary of definitions and terminology for Computer Supported Telecommunications Applications (CSTA) phase III
参考页数:23P;A4
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信息技术.系统间远程通信和信息交换.宽带专用综合业务网.交换间信令协议.信令ATM适配层
Information technology - Telecommunications and information exchange between systems - Broadband Private Integrated Services Network - Inter-exchange signalling protocol - Signalling ATM adaptation layer
参考页数:19P.;A4
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