短語詞組短語frequency -jumping synchrony 跳頻同步frequency y jumping 頻率躍變frequency interleaved jumping 頻率躍變frequency jumping repeater system 移頻直放站pulse to pulse frequency jumping 脈間跳頻jumping frequency 跳頻carrier jumping frequency 載波跳頻jumping frequency communication 跳頻通信的 返回 frequency jump