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单词 radio detection and ranging
释义
radio detection and ranging
(once / 11819311 pages)
n

WORD FAMILY
radio detection and ranging
USAGE EXAMPLES
In 1940 the US Navy coined the term radar to describe “radio detection and ranging”.
Economist(Mar 14, 2013)
n measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
Syn|Hypo|Hyper
microwave radar, radar, radiolocation
Doppler radar
radar that uses the Doppler shift to measure velocity
early warning radar
a radar that is part of an early warning system
3d radar, three-dimensional radar
radar that will report altitude as well as azimuth and distance of a target
weather radar
radar that is able to detect clouds and precipitation
measuring device, measuring instrument, measuring system
instrument that shows the extent or amount or quantity or degree of something
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更新时间:2024/12/23 20:38:07