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- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- tropospheric scattered propagation of radio wave 对流层电波散射传播
- K.G. Budden, The Propagation of Radio Waves, Cambridge, Cambridge Univ Press, 1985. 概述有中译本：王椿年，尹元昭，译，电离层波理论，科学出版社，1983。
- propagation of high frequency radio wave 高频电波传播
- propagation of low frequency radio wave 低频电波传播
- propagation of low frequency (LF) radio wave 低频电波传播
- propagation of low frequency ( LF ) radio wave 低频电波传播
- propagation of very low frequency radio wave 甚低频电波传播
- propagation of extremely low frequency radio wave 极低频电波传播
- The British government asked him if radio waves could destroy enemy planes. Instead, he showed that they could determine the distance of aircraft, creating the first practical radar system. 英国政府问他无线电波是否能摧毁敌人的飞机。相反,他证明了无线电波可以确定飞机的距离,第一套实用的雷达系统由此诞生。
- propagation of medium frequency radio wave 中频电波传播
- propagation of very high frequency radio wave 甚高频电波传播
- Forming and propagation of wave. 波的形成和传播。
- I do not suppose I can have a taste of if,can I ? 我想我不能尝尝这个吧，是吗?
- I had to go to London for an early morning meeting so I decided to make a day of if and see some of the sights. 我必须去伦敦参加一下清晨会议，因此我决定玩它一整天，游览一些风景点。
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- propagation of extremely low frequency ELF and voice frequency radio wave 极低频与音频电波传播
- I am sound he out take stork of if he willing to work of us. 我正在试探他，看他是否愿意来为我们工作。
- propagation of extremely low frequency and voice frequency VF radio wave 极低频与音频电波传播
- I'll show you what I'm made of if you give me this first chance. 如果你把这第一个机会给我，我会让你看看我的能力。
