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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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2-methoxyethanol
2-methyl-1,2,-di-3-pyridyl-1-propanone
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2-methyl acrylic acid 2-dimethylamino-ethyl ester
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2-methylbutyraldehyde
2-methylbutyryl-coa dehydrogenase deficiency
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2-methylpentanoic acid
2-methyl-propan-1-ol
2-methylpropan-1-ol
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2-methylpropane
2-methyl-propanoic acid
2-methylpropene
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更新时间：2025/12/24 5:37:44