| 釋義 |
radar /'reida: (rj; 'redar/ n [U] (the use of) apparatus that indicates on a screen (by means of radio echoes) solid objects that come within its range, used (eg by pilots of ships, aircraft or spacecraft) in fog or darkness and which gives information about their position, movement, speed, etc: 雷達(一種無線電裝置，籍無線電回波而在一熒光幕上指示進入其探測范圍的物體;船，飛機或太空船之駕駛員在大霧或黑夜中使用，借以測知方位, 動向，速度等); 雷達之使用： follow the flight of an aircraft by ~; 借雷達追蹤一飛機之飛行; (attrib) (形容用法)' ~ installation; 雷達裝置; on the ， ~ screen. 在雷達幕上。 |