high and very high frequency direction finding
高频和甚高频测向仪
VHF and UHF direction finder
甚高频与超高频测向器
VHF omni range distance measuring equipment
甚高频全向信标测距设备
terminal VHF omnirange
终端甚高频全向指向标
high altitude VDR
高空甚高频全向信标
Doppler very high frequency omnidirectional radio range and distance measuring equipment
多普勒甚高频全向无线电信标及测距设备
bidirectioanl VHF data link
双向甚高频数据传送
very high frequency omnirange
甚高频全向无线电信标
Doppler VHF omnirange
多普勒甚高频全向信标
very high frequency receiver testing generator
甚高频接收测试发生器
very high frequency omnidirectional radio range
甚高频全向无线电指向标
terminal very-high-frequency omnirange
终端站甚高频全向导航信标
VHF single channel two-way radio equipment
甚高频单波道双向无线电设备
terminal very high frequency omnidirectional radio range
终端甚高频全向无线电信标
Tathong Point Doppler very high frequency omnidirectional radio range
蓝塘尾多普勒甚高频全向无线电信标
VOR airborne antenna
甚高频全向无线电信标机载天线
vehicle-to-ground VHF telemetry
甚高频空间对地球遥测技术
ionospheric HF oblique sounding
电离层高频斜向探测