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转一篇从数理统计角度关于病毒起源的分析
, H8 @' z& O1 h9 z5 Shttps://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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0 G0 g2 y/ U/ n! H% z9 C9 WRockland County population 325,789 (2019) d$ D0 j8 v, D7 G7 d8 A4 ]& g( L) }
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3 V" e( y! d# RRockland County COVID-19 cases 9,699 by April 22% r$ \( ~6 V4 R$ B3 p# u/ M
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9699 / 325789 = 2.98% !7 ?+ t% w5 X+ f5 T' j5 g
1 [ T% V) `- }, q# pHow to Get Rid of Bats in the Attic6 |/ A. f6 e3 W+ O1 Z) P. J9 |
http://www.wildlifeanimalcontrol.com/bats.html
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: F2 |$ D. i, B) U* D* ^* ~补充内容 (2020-4-22 23:04):- Y% S* P7 S, e
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.7 o0 i4 `* S2 S$ Y. a6 C
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