Adaptive High Frequency Radio的用法和样例：
- This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.
- A method of detecting distant objects and determining their position,velocity,or other characteristics by analysis of very high frequency radio waves reflected from their surfaces.
- The gigantic cloud of highly charged particles hurled from the sun posed a threat to high frequency radio communications, satellite navigation systems and television broadcasts.
- ultra high frequency radio [UHF radio]