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单词 perigee
释义
perigee
noun[CorU]
physicsspecialized
uk
/ˈper.ɪ.dʒiː/us
/ˈper.ɪ.dʒiː/
thepointin theorbit(=curvedpath)of themoonor asatellitewhen it it isclosestto theearth:
（月亮或人造卫星的）近地点
Themoonwill beatperigee,itsclosestto theearth, on the 8th of themonth.月球将在本月8日处于近地点，离地球最近。
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(Definition ofperigeefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofperigee

perigee
It does so within the limits established by the combined eccentric and epicyclical apogees and their combined perigees.
From theCambridge English Corpus
There has been the need to develop theperigeeapogee stage, which adds further costs.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
After being secured in the shuttle cargo bay, a newperigeekick motor was installed.
From
Wikipedia
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With this engine firing, the spacecraft's apogee was raised to 28,825 km, with aperigeeof 252 km.
From
Wikipedia
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An argument ofperigeeof 270 degrees places apogee at the northernmost point of the orbit.
From
Wikipedia
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The burn raised both the apogee andperigeeof the shuttle's orbit by 1mi km.
From
Wikipedia
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Explorer 3 was placed in an orbit with aperigeeof 186 kilometers and an apogee of 2799 kilometers having a period of 115.7 minutes.
From
Wikipedia
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It will be the fourth longest eclipse of the 21st century with a magnitude of 1.0774 occurring just one hour beforeperigee.
From
Wikipedia
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This burn decreases the orbit'sperigeeto about 15 km, some 500 km ahead of the lunar south pole, half an orbit later.
From
Wikipedia
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An argument ofperigeeof 90 degrees would likewise serve the high southern latitudes.
From
Wikipedia
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The deorbit burn decelerated the orbiter by about 211 miles per hour, enough to lower its orbitalperigeeinto the upper atmosphere.
From
Wikipedia
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It was operated in an orbit with aperigeeof, an apogee of, 48.4 degrees of inclination, and an orbital period of 90.5 minutes.
From
Wikipedia
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Its orbit had aperigeeof, an apogee of, 70 degrees of inclination, and an orbital period of 88.8 minutes.
From
Wikipedia
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The argument ofperigeeis such that apogee occurs on or near the equator.
From
Wikipedia
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It was operated in an orbit with aperigeeof, an apogee of, 48.4 degrees of inclination, and an orbital period of 94.6 minutes.
From
Wikipedia
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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.
#https://dictionary.cambridge.org//dictionary/english/perigee##
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更新时间：2024/12/28 1:25:18