Ultrasonic devices use sound waves of extremely high frequency.
音波装置使用极高频率的声波。
The seismicity in yunnan region in the20th century occupies a front place in Chinese mainland in extremely high frequency strength and hazard rate.
20世纪云南地区地震活动以极高的频度、强度和成灾率而位居我国大陆之前列。
Raytheon Company (NYSE: RTN) and the U.S. Army recently completed successful testing of the first Advanced Extremely High Frequency, or AEHF, satellite communications production terminals.
雷神公司和美国陆军最近成功完成首个先进极高频或AEHF卫星通信生产终端测试。
Raytheon Company (NYSE: RTN) and the U.S. Army recently completed successful testing of the first Advanced Extremely High Frequency, or AEHF, satellite communications production terminals.
雷神公司和美国陆军最近成功完成首个先进极高频或AEHF卫星通信生产终端测试。
应用推荐