radar

radarradarD.J.:[ˈreidə]K.K.:[ˈredɑr]n.1.■雷达The ship, with the help of radar, sailed in thick fog.船借助于雷达在浓雾中航行。They are following the flight of an aircraft by radar.他们正在用雷达追踪一架飞机的飞行。2.■雷达装置Enemy ships were detected on the radar.敌舰的影像已显现在雷达上。

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radar['reidə]n.1.■【电子学】雷达(无线电测距及定向装置)；雷达设备；雷达技术2.■关注范围，局面beneath(或below,under)the radar在视线以外，不引人注目地；雷达范围外的on someone's radar受某人注目，为某人所关注operate under the radar谦逊地行动，不引人注目地行动 [ra(dio) d(etecting) a(nd) r(anging)的缩略]

radarradar[ˈreidə]n.1.■[美]【无】(=radio detecting and ranging)雷达; (=[英]radiolocator)无线电探测器a radar set雷达装置radar picket装有雷达设备的警戒船或飞机radar astronomy雷达天文学radar telescope雷达望远镜radar trap雷达监视哨

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继承用法radarkymographyn.1.■雷达记波摄影radar-guidancen.1.■雷达制导radarman[ˈreɪdɑ:mæn]n.1.■雷达操纵员radarmapn.1.■雷达地图radarscope[ˈreɪdɑ:skəʊp]n.1.■雷达显示器radarsonden.1.■雷达探空仪