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Comet
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Comet
Encyclopedia
理学
彗星
释
Comet
彗星
一种含有冰冻物质的小天体,当运行在临近内太阳系或太阳附近空间时,受到太阳辐射和太阳风的影响,其冰冻物质发生升华带出尘埃形成弥散的彗发或彗尾。彗星俗称扫帚星,中国古代对彗星还有其他称谓,如孛星、星孛、妖星、蓬星、长星、异星、奇星。
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higher-order theory
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higher ramification field
higher ramification group
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higher regulator
higher separation axiom
higher signature
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higher symbol
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