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关注：1
2013-05-23 12:21
求翻译：SuperNova - the explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 magnitudes是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
SuperNova - the explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 magnitudes
问题补充： |
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