Physically, the radar set is a group of metal boxes full of advanced circuitry, plus an indicator unit that displays the radar picture, Plus an antenna that usually revolves or scans in some manner.是什么意思_Physically, the radar set is a group of metal boxes full of advanced circuitry, plus an indicator unit that displays the radar picture, Plus an antenna that usually revolves or scans in some manner.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句