名词
中文翻译：银河系冕
同义词：
['galactic bulge', 'galactic disk', 'coronal hole']
例句：
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1.The galactic corona is a fascinating object that scientists study for clues about the universe.
银河系冕是一个令人着迷的天体，科学家们研究它以获取有关宇宙的线索。
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2.The coronal hole in the galactic corona is a region of intense activity where magnetic fields are aligned.
银河系冕中的日冕环是磁场对齐的区域，那里活动非常强烈。
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3.The discovery of this coronal hole has provided new insights into the behavior of the solar wind.
发现这个日冕环为了解太阳风的行为提供了新的见解。