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赛弗特星系
释义
赛弗特星系
Encyclopedia
理学
活动星系核分类
释
Seyfert galaxy
赛弗特星系
星系核极亮,具有强而宽发射线的活动星系,常有旋臂结构。因美国天文学家C.K.赛弗特(Carl Keenan Seyfert 1911-2-11~1960-6-13)于1943年首先发现而得名。活动星系核的一个亚型。
Astronomy
Seyfert galaxy
赛弗特星系
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state constraint
state control of development rights
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State Council of the People's Republic of China
State Council Three Gorges Project Construction Committee Office
state density
state-dependent model
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stated preference method
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State Education Commission
State Education Law 1953
state equation
state equation of atmosphere
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state equation parameters
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