low-frequency radio telescope 低频射电望远镜 ; 低频射电看远镜
two-frequency radio system 双频无线电系统
high-frequency radio physics [电子] 高频无线电物理学
Very High Frequency Radio Telephone 甚高频无线电话
low frequency radio telescope 低频无线电望远镜 ; 低频射电望远镜
low frequency radio-range 低频无线电导航信标
Radio Frequency 射频 ; 无线电广播频率 ; 无线电频率 ; 无线射频
low frequency radio astronomy 低频射电天文学
four-course low-frequency radio range 四航道低频无线电信标
low medium frequency radio range 低中频无线电导航信标
What is needed is a system that USES low-frequency radio waves.
这需要的是一种利用低频无线电波的系统。
It is designed to detect the low-frequency radio pulses emitted by lightning strikes.
这一系统旨在感应雷击产生的低频射电脉冲。
As we travelled, we used a high-frequency radio network to talk to the tribes as we approached, so we could ask their permission to come through.
我们在旅行中用高频无线电与当地部族联系，请求他们准许我们通过。
Then they use radio frequency energy to heat the tissue around the catheter.
VOA: special.2010.03.02
But there is a limited amount of radio frequency spectrum available.
VOA: special.2010.03.19
Other anti-counterfeit efforts include the use of radio frequency identification tags.
VOA: special.2010.03.01
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