短語詞組短語frequency y agility 頻率捷變frequency -agility adaptive radar 捷變頻自適應雷達frequency agility pulsed magnetron 捷變頻脈沖磁控管frequency agility technology 頻率捷變技術signal of frequency agility 頻率捷變信號pseudo random frequency agility 偽隨機捷變頻frequency agility 0 頻率捷變frequency agility technique 頻率捷變技術 返回 frequency agility