 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* x8 s& q" O+ B" K) v
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt; D9 M% b* U, L8 v7 R8 n3 t( v6 p
5 \+ P- e" A/ A' O) VRockland County population 325,789 (2019)
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: u+ U- ]$ f* {* W0 ]Rockland County COVID-19 cases 9,699 by April 22" ]$ x! o0 n$ M% d" }8 S
https://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% R; a; P1 E3 G$ z
http://www.wildlifeanimalcontrol.com/bats.html! j1 S9 K9 t% }2 C4 n$ L& A# H
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+ _5 G4 C: Z+ f补充内容 (2020-4-22 23:04):$ a% a! ^1 Q& Y2 U8 x( ^" o
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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