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百武彗星
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百武彗星
bǎi wǔ huì xīng
西元一九九六年一月由日本天文學家百武所發現的彗星。學名為1996B2。一九九六年三月底離地球約一千五百三十萬公里,出現於北斗七星與北極星之間,亮度可達負零點三等,彗尾約十萬公里長,北半球居民可以肉眼觀測。是二十世紀由地球觀測到較亮之彗星。預計下次返回近地點約一萬八千年後。
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double-density format
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double-density recording
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double density wavelet transform
Double dental ulcer membrane
double dentate
double dentition
double dentition denture
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更新时间:2025/4/29 5:00:08