| 单词 | radio telescope |
| 释义 | radio telescope noun[C] uk/ˌreɪ.di.əʊ ˈtel.ɪ.skəʊp/us/ˌreɪ.di.oʊ ˈtel.ə.skoʊp/adeviceforreceiving, forscientificstudy, theelectromagneticwavessentout byobjectsinspacesuch asstars 无线电望远镜 Andreas Geh/F1online/GettyImages Astronomy
Examplesofradio telescoperadio telescope The first purpose builtradiotelescopewent into operation in 1937. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.His 1937 radio antenna was the second ever to be used for astronomical purposes and the first parabolic reflecting antenna to be used as aradiotelescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Britain has extensive experience of taking special measures to protect radio telescopes from harmful interference, under the oversight of a committee including representatives of the radioastronomy community. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The cosmic microwave background radiation was also first detected using radio telescopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Because radio telescopes have low resolution, they were the first instruments to use interferometry allowing two or more widely separated instruments to simultaneously observe the same source. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Voyager 1 can not be seen in visible light, but its radio signal is very bright compared to most natural things studied by radio telescopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Recent advances include greater emphasis on experiments at optical wavelengths, and the construction of a newradiotelescopethat is deliberately designed for such reconnaissance. From theCambridge English Corpus The present capabilities of this technology allow a new type ofradiotelescopeto be built : an array of hundreds of small (and therefore, relatively inexpensive) antennas. From theCambridge English Corpus It is probably the most powerfulradiotelescopein the world. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Essentially, there are two types ofradiotelescope. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 This dictates the dish size aradiotelescopeneeds for a useful resolution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Currently, it consists of nine optical telescopes and aradiotelescope, which is currently taken out of service. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In this radar astronomy procedure radio waves of known wavelength are emitted from aradiotelescopeaimed at an asteroid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.A typical size of the single antenna of aradiotelescopeis 25 meters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Microwave transitions are measured in the laboratory and matched to emissions from the interstellar medium using aradiotelescope. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.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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