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单词 gru
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Grun.

Brit. /ɡruː/, U.S. /ɡru/
Origin: Formed within English, by clipping or shortening. Etymon: English Grus.
Etymology: Shortened < the constellation name Grus (and partly also < its genitive form Gruis), originally as a graphic abbreviation.
Astronomy.
The constellation Grus. Chiefly as a postmodifier, designating a star of this constellation.
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the world > the universe > constellation > Southern constellations > [noun] > Grus
crane1868
Gru1907
1907 Observatory 30 34/2 (table) T Gru.
1922 Trans. Internat. Astron. Union 1 158 The following resolutions were adopted [at the first General Assembly of the IAU]: (1) The exclusive use of the Latin names of the constellations. (2) The adoption of the three-letter abbreviations proposed by Profs. Hertzsprung and Russell for the representation of the 88 principal constellations... Gru Grus.
1964 D. H. Menzel Field Guide Stars & Planets vi. 207 θ Gru (b 54) is a double, readily observable in a 3-inch telescope.
2012 Astron. Jrnl. 143 1 The longest baselines of southern hemisphere interferometers..are only able to resolve the largest of these [stars], the B6 star α Gru.
This entry has been updated (OED Third Edition, June 2018; most recently modified version published online June 2022).

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GRU
GRU n. [ < Russian GRU < the initial letters of Glavnoe razvedyvatel′noe upravlenie, lit. ‘main intelligence directorate’ (1942)] the main military intelligence service in the Soviet Union and the Russian Federation.Although the service officially became the Main Directorate (Russian Glavnoe upravlenie) in 2010, it is still commonly referred to as the GRU.
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1952 Advertiser (Adelaide) 27 Aug. 2/3 Enbom..was directed by the GRU—the Soviet Military Intelligence Service... The Soviet Military Attache's staff..concealed his Army rank under the cloak of a foreign correspondent.
1987 P. Wright & P. Greengrass Spycatcher xiii. 186 The GRU officers in 1940 and 1941 were clearly of low caliber, demoralized..in the wake of Stalin's purges of the 1930s.
2017 Mondaq Business Briefing (Nexis) 22 June The NSA..has evidence that the hacking was directly perpetrated by the Russian General Staff Main Intelligence Directorate, or GRU.
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