Part 9: Recommended test methods哈尔滨电工仪表研究所有限公司20TC87IEC 60565-2:2019 ED1水声-水听器-水听器校准,第2部分:低频声压场校准步骤Underwater acoustics-Hydrophone-Calibration of hydrophones,Part 2:Procedures for low frequency pressure...
applications - Part 2-1: Performance general requirements and test methods固定式液流电池能源系统 第2-1部分:性能通用要求和试验方法中国科学院大连化学物理研究所大连融科储能技术发展有限公司机械工业北京电工技术经济研究所张华民927IEC 60519-8:2020 Ed 3.0Safety in installations...
electrical equipment - Part 1: General requirements for basic safety and essential performance医用电气设备 第1部分_基本安全和基本性能22IEC 60601-1-2:2014Medical electrical equipment - Part 1-2: General requirements...
Following discussions on the 5G vision and key requirements (such as high data-rate, low latency, and massive connectivity), various candidate technologies have been proposed and investigated....
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