 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$ X+ F E. F6 p4 {2 X2 y0 z* \7 j4 d& G; s
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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6 M2 a& T3 l3 Z2 v6 j# n" j1 dRockland County population 325,789 (2019)6 ^( ~7 ^# i' M2 S( `
https://www.google.ca/search?sxs ... &sclient=psy-ab/ E3 f8 R; a T" B2 q% z
t2 z1 O" R, p7 r6 O2 rRockland County COVID-19 cases 9,699 by April 222 B" e0 q9 ~1 Y; U6 L" d6 k5 [
https://www.lohud.com/story/news ... dnesday/3002554001/! U8 H- V9 N7 ]5 w8 C1 h
, j; Z! F" X/ q# ]9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic
+ R, L* ^+ S$ k3 q9 J Z/ Y* Hhttp://www.wildlifeanimalcontrol.com/bats.html
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0 U, ^) N1 O4 s2 D9 v0 {补充内容 (2020-4-22 23:04):+ r8 ]) I; T( Y4 s: I0 n7 b) \
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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