 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
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Rockland County population 325,789 (2019)8 Q: \/ x& x( A2 G8 j
https://www.google.ca/search?sxs ... &sclient=psy-ab
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+ V0 W, A7 O" @2 e MRockland County COVID-19 cases 9,699 by April 22& l3 ]. [$ I0 ]- \9 W1 F
https://www.lohud.com/story/news ... dnesday/3002554001/9 e1 @( ^! c' @1 O$ S" r! [) l
7 P5 Q8 s/ o( S( C" q9699 / 325789 = 2.98% !
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6 i" P! t8 J0 m/ k8 zHow to Get Rid of Bats in the Attic
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补充内容 (2020-4-22 23:04):
7 |3 t' s4 K$ H N, \There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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