... 极光绿谱线 auroral green line 极光嘶声 auroral hiss 极光磁扰 auroral magnetic disturbance ...
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... auroral electrojet 极光电喷流 auroral hiss 极光嘘声 auroral blackout 极光遮蔽 ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
As to auroral hiss, there are upper and lower frequency cut-offs.
极光嘶声则有明显的上截止频率和下截止频率。
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