 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. s, u0 K0 {0 e! z a& h
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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7 @4 Q, t: U0 z4 E7 Q6 CRockland County population 325,789 (2019); T6 D* ?+ H# H
https://www.google.ca/search?sxs ... &sclient=psy-ab
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" ^; c2 E3 y/ ?0 b8 ~2 S3 `Rockland County COVID-19 cases 9,699 by April 225 |# z# u& R" a# ]& x* A* Z
https://www.lohud.com/story/news ... dnesday/3002554001/
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9699 / 325789 = 2.98% !
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4 X& o8 C4 h9 S: k, s$ k8 fHow to Get Rid of Bats in the Attic/ p) N2 [$ l# s" m
http://www.wildlifeanimalcontrol.com/bats.html8 r: y" f& d( S! V# U+ ], B
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( |0 i. u+ N Y补充内容 (2020-4-22 23:04):7 f1 n# @- M3 e2 E/ ~% M' }
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.$ }/ @! ?+ q. _/ u
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