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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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cut-off filter
cutoff filter
cut off frequency
cut-off frequency
cutoff frequency
cut-off grade
cut-off grade of ore drawing
cutoff impulse
cut-off low
cutoff low pressure systems
cutoff of waves
cut off one's head and hang it up as a warning to all
cutoff rate
cut-off rigidity
cut-offscore
cut-off storage
cutoff wall
cut-off wavelength
cutoff wavelength
cut-off wavelength shift single mode fiber
cut of the rational numbers
cut of the real numbers
cut operation
cut-parts inspection
cut pile decorated cloth
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