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赛弗特星系
释义
赛弗特星系
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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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refrigerant pipe
refrigerant reclamation machine
refrigerated and insulated vehicles
refrigerated aquatic products
refrigerated container
refrigerated lorry
refrigerated railway equipment
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refrigerated transport equipment
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refrigerating cabinets
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refrigerating machinery
refrigeration
refrigeration appliance
refrigeration by adiabatic demagnetization of a paramagnetic salt
refrigeration by nuclear adiabatic demagnetization
refrigeration compressor
refrigeration consumption
refrigeration cycle
refrigeration effect
refrigeration oil
refrigeration standard after forging
refrigeration storage
refrigeration system accessories
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