as well as the monitoring data comparison from the two kinds of online monitoring devices installed inside the generators,the effectiveness of the two moniforing methods,the radio frequency online monitoring method and the partial discharge online monitoring method,was comprehensively evaluated.
介绍目前应用广泛的两种发电机定子绝缘在线监测手段,结合国华台电3~4号发电机故障的分析以及对安装在发电机内部的两种在线监测装置的监测数据的比较,对无线电频率在线监测和局放在线监测两种手段的有效性进行了综合评价。
Then some key problems of using radio frequency existing in our country are analyzed.
本文简要介绍了美国、欧盟和我国的频率规划现状,分析了目前我国在无线电频率使用的过程中存在的主要问题,并提出了一些相关建议。
The purpose of this study was to evaluate the effect of collagenase ointment on the epithelial healing of an abrasive wound induced by a radiofrequency system.
目的:无线电频率是用于治疗皮肤皱褶和病损的一种方法,但是它又可以导致表皮的侵蚀性损伤,本研究的目的是观察胶原酶膏剂在这种皮肤损伤后的修复中的作用。
public safety radio frequency
公共安全无线电频率
public safety radio service
公共安全无线电服务
Frequency Compensation in All Channel CATV Systems.
全频道共用天线电视系统的频率补偿
Researche and Development on the Security Architecture and Applications of PWLAN;
公共无线局域网（PWLAN）安全体系及其应用
Researches on Security Architechture and Application of Public Wireless Local Area Network;
公共无线局域网安全体系与应用研究
Seriously Study"Radio Frequency Division Regulations of the PRC;
认真学习《中华人民共和国无线电频率划分规定》
radio frequency emission testing
无线电频率放射测试
international distress radio frequency
国际呼救无线电频率
frequency tolerance of radio transmitter
无线电发射机频率容限
marine frequency
海上无线电通信频率
a radio-frequency amplifier.
一种无线电频率放大器。
distress frequency
无线电频率遇险呼救频率
Radio operates, as you might expect, in the public portion of the radio spectrum.
正如想象的那样，无线电工作在无线电频谱的公共部分。
LOR (Low-frequency Omnidirectional Radio Range)
低频全向无线电信标
medium frequency non-directional radio beacon
中频全向无线电信标
very high frequency omnirange
甚高频全向无线电信标
Research on Security Authentication and Network Management of Pwlan;
公共无线局域网安全认证与管理技术研究
very high frequency(abbr. VHF) radio frequency of 30 to 300 megahertz
甚高频（30到300兆赫的无线电频率）.