| 单词 | radar |
| 释义 | 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: 雷达(一种无线电装置，籍无线电回波而在一荧光幕上指示进入其探测范围的物体;船，飞机或太空船之驾驶员在大雾或黑夜中使用，借以测知方位, 动向，速度等); 雷达之使用： follow the flight of an aircraft by ~; 借雷达追踪一飞机之飞行; (attrib) (形容用法)' ~ installation; 雷达装置; on the ， ~ screen. 在雷达幕上。 |
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