 鲜花( 170)  鸡蛋( 0)
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转一篇从数理统计角度关于病毒起源的分析: N' a5 ^1 F% a* o( ]# }
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt4 v6 m9 F5 \/ @; x% k: v
" T( i8 p, @6 l( @8 I/ iRockland County population 325,789 (2019)# ?/ \0 q' M, A4 Y
https://www.google.ca/search?sxs ... &sclient=psy-ab
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4 Z9 E- p5 }# f' o$ mRockland County COVID-19 cases 9,699 by April 22
: ~7 Q; ~. _9 j2 }9 z. B1 xhttps://www.lohud.com/story/news ... dnesday/3002554001/
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9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic+ w N1 h5 s: C& C" _! T. B. ]; b
http://www.wildlifeanimalcontrol.com/bats.html3 a2 E$ | b0 W7 K
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补充内容 (2020-4-22 23:04):
8 `; O+ g$ t* QThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.) B* ^. j- Z) ~3 e1 v) |- U
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