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单词
north polar spur
释义
North Polar Spur
North Polar Spur
[
′nȯrth ′pō·lər ′spər
]
(astronomy)
A region of radio and soft x-ray emission, having a continuous spectral distribution, that extends from the galactic plane to the north galactic pole; believed to be the remnant of an old supernova.
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facconcen
f.a.c.c.p.
faccp
faccq
faccs
faccsf
faccsm
facct
f.a.c.d.
facd
facdar
facdis
fac (disambiguation)
facdl
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facdu
face
face-1
face1
facea
faceable
face about
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face agnosia
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更新时间:2025/11/30 18:21:05