| 单词 | radarscopes |
| 释义 | radar /rāˈdär/noun
ORIGIN: Acronym from radio detection and ranging, appropriately a palindrome word radar altimeter noun A high altitude radio altimeter radar astronomy noun The use of pulsed radio signals to measure distances and map the surfaces of objects in the solar system radar beacon noun A fixed radio transmitter whose signals enable an aircraft, by means of its radar equipment, to determine its position and direction radar gun noun A speed gun (qv) that operates by means of radar raˈdarscope noun A cathode-ray oscilloscope on which radar signals can be seen radar trap noun A device using radar which enables the police to identify motorists exceeding the speed limit over a particular section of the road (see also speed trap under speed) |
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