空对地火箭
air-to-surface missile
空对地通信
air-ground communication
空对地通讯
air-to-ground communication
可变射频无线电测候仪
variable radio-frequency radioscope
可见无线电范围
visual radio range
空对空通信
air-to-air communication
空对同轴电缆
air-spaced coaxial cable
馈线电抗器
feeder reactor
静止频率
resting frequency
可编程序频率合成器
programmable frequency synthesizer
可变频率振荡器
variable frequency oscillator
可闻限下频率
subaudible frequency
刻蚀至频率
etching to frequency
空间频率
spatial frequency
空腔调谐超外差型频率计
cavity-tuned absorption-type fr-cquency meter
空腔调谐传送型频率计
cavity-tuned heterodyne frequency meter
空腔谐振器频率计
cavity-resonatior frequency meter
困积频率
cumulative frequency
拉曼频率
Raman frequency; Raman shift
拉莫尔频率
Larmor frequency