中国标准时间 第2部分：元数据
China standard time—Part 2：Metadata
2025-03-28
GB/T 45434.1-2025
中国标准时间 第1部分：通则
China standard time—Part 1：General principle
2025-03-28
IEEE/IEC 61850-9-3-2016
IEC/IEEE International Standard - Communication networks and systems for power utility automation - Part 9-3: Precision time protocol profile for power utility automation
IEC/IEEE国际标准-电力设施自动化用通信网络和系统第9-3部分:电力设施自动化用精确时间协议概要
2016-05-31
IEEE 802.3bf-2011
IEEE Standard for Information technology-- Local and metropolitan area networks-- Part 3: CSMA/CD Access Method and Physical Layer Specifications Amendment 7: Media Access Control (MAC) Service Interface and Management Parameters to Support Time Synchronization Protocols
IEEE信息技术标准局域网和城域网第3部分:CSMA/CD访问方法和物理层规范修改件7:支持时间同步协议的媒体访问控制（MAC）服务接口和管理参数
2011-07-15
DIN EN 301213-3
Fixed Radio Systems - Point-to-multipoint equipment - Point-to-multipoint digital radio systems in frequency bands in the range 24.25 GHz to 29.5 GHz using different access methods - Part 3: Time Division Multiple Access (TDMA) methods (Endorsement of the English version EN 301213-3 V 1.4.1 (2002-02) as German standard)
固定无线电系统.点对多点设备.使用不同接入方法的24.25GHz至29.5GHz频带内的点对多点数字无线电系统.第3部分:时分多址（TDMA）方法
2003-09-01
IEEE/IEC 62704-3
IEC/IEEE Approved Draft International Standard - Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz - 6 GHz Part 3: Specific Requirements for using the Finite Difference Time Domain (FDTD) Method for SAR Calculations of
IEC/IEEE批准的国际标准草案-测定无线通信设备在人体内的峰值空间平均比吸收率（SAR） 30 MHz-6 GHz第3部分:使用时域有限差分（FDTD）法计算