| 单词 | radar |
| 释义 | radar noun[U] uk/ˈreɪ.dɑːr/us/ˈreɪ.dɑːr/asystemthat usesradiowavestofindthepositionofobjectsthat cannot beseen: 雷达Othervesselsin theareashow up on the ship's radar(screen).该船的雷达（屏幕）显示这一海域有其他船只。 Broadcasting: radio
Idiomsbeneath the/someone'sradar offsomeone'sradar onsomeone'sradar radar| American Dictionaryradar noun[C/U] us/ˈreɪ·dɑr/adeviceorsystemforfindingthepositionorspeedofobjects, such asaircraft, that cannot beseen, bymeasuringthedirectionandtimingofshortradiowavesthat aresentout andreflectback from theobjects radar| Business Englishradar noun[C] uk/ˈreɪdɑːr/usbelow/under the radar(alsobelow/under the radar screen) if something is below or under the radar,peopleare notawareof it: They wereoperatingunder the radar,sellingtheirWebwaresfrom somegaragein Bakersfield. Manyprivatetreatmentcentresareslippingunder the radarscreenof themedicalauthorities. on/off the radar(alsoon/off the radar screen) used to say thatpeopledo or do notknowabout something or that something is or is notimportantto someone: Hedroppedoff thepoliticalradar fornearlytwodecades. Toysafetyisdefinitelyonconsumers' radar. Examplesofradarradar Six new transportable radars have now been delivered and preparation of new command and control systems is under way. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 They are fitted with the latest air- and surface-warning radars. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 They include the most sophisticated computer-controlled design equipment and machine tools, simulators, air traffic control radars, radio beacons, instrument landing systems—a vast range of items. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Development of stage 1 of the two-stage improvement programme has now been completed and modification of in-service radars is well under way. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The new radars are operational; work is continuing on the computer system. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Evaluation of the two alternative tracker radars is taking rather longer than anticipated. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Future plans for surveillance radars will not be settled before next year. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Radars to an interim standard have already been delivered. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 No sites for these three weather radars have yet been selected. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The information from these radars will be fed into our own system. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Their radars, as a result, have different capabilities which could be harmonised but which at the moment are not totally in harmony. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 All radars will be brought up to the full technical standard, beginning next year. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 There are exciting prospects in over-the-horizon radars, where a beam is bounced off a layer of the upper air, giving a long range. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Then there is the question of our military radars. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I am not prepared to release figures which could be used to give an indication of the efficiency of our air defence radars. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. CollocationswithradarradarThese are words often used in combination withradar. Click on a collocation to see more examples of it. airborne radar Why was there not adequateairborneradarsurveillance? From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 enemy radar We must also have pilots who are trained to fly low so that they can penetrateenemyradar. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 ground radar It is known that in one case investigation followed a report by ground radar control. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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