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赛弗特星系
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赛弗特星系
Encyclopedia
理学
活动星系核分类
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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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trigonometric function interpolation
trigonometric function line
trigonometric function of a complex variable
trigonometric function representation of complex numbers
trigonometric identity
trigonometric inequality
trigonometric integral
trigonometric interpolation
trigonometric interpolation polynomial
trigonometric leveling
trigonometric leveling network
trigonometric measurement
trigonometric moment
trigonometric moment problem
trigonometric parallax
trigonometric polynomial
trigonometric power formula
trigonometric problem
trigonometric product formula
trigonometric pseudo-spectral method
trigonometric ratio
trigonometric regression
trigonometric representation
trigonometric series
trigonometric series formula
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