射频场 第1部分:最大暴露水平—3 kHz至300 GHz
Radiofrequency fields Part 1: Maximum exposure levels—3 kHz to 300 GHz
Telecommunications 与“电信”相关的标准资料,支持在当前标签内搜索。
Radiofrequency fields Part 1: Maximum exposure levels—3 kHz to 300 GHz
International Electrotechnical Vocabulary Chapter 731: Optical fibre communication
International Electrotechnical Vocabulary Chapter 721: Telegraphy, facsimile and data communication
International Electrotechnical Vocabulary Chapter 716-1: Integrated services digital network (ISDN) Part 1: General aspects
International Electrotechnical Vocabulary Chapter 715: Telecommunication networks, teletraffic and operation
International Electrotechnical Vocabulary Chapter 714: Switching and signalling in telecommunications
International Electrotechnical Vocabulary Chapter 704: Transmission
International Electrotechnical Vocabulary Chapter 701: Telecommunications, channels and networks
Letter symbols to be used in electrical technology – Part 2: Telecommunications and electronics