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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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administrative order
administrative organization
administrative organization law
Administrative Organizations of China Electric Power
administrative penalties for traffic safety violations
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administrative principles of urban and rural planning
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Administrative Procedure Act,APA
administrative procedure law
Administrative Procedure Law of the People's Republic of China
Administrative Process Optimization
administrative protection of copyright
Administrative Provisions on Audio-Visual Programs Broadcast via Internet and Other Information Networks
administrative punishment for illegal act on land
administrative punishment for illegal construction
administrative punishment in education
Administrative Punishment of Food Hygiene
administrative reconciliation
administrative reconsideration
administrative reconsideration committee
Administrative Reconsideration Law of the People's Republic of China
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