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[纯净水] 求助一张壁纸,这里人气高 复制 |
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点评
LietReally
https:///sharedfiles/filedetails/?l=french&id=1375313043
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点评
gs9688
这个对黑洞的描述更准确些,存在相对论下多普勒频移和多普勒集束效应,得一边亮点,一边暗点
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