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转一篇从数理统计角度关于病毒起源的分析9 |/ I7 S2 l8 R% l* @# ?
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt7 Y$ D# J8 q1 P! _
' D! D# `1 Q3 ]$ vRockland County population 325,789 (2019)4 E4 ^* o% X+ j' v* _% F# g
https://www.google.ca/search?sxs ... &sclient=psy-ab
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Rockland County COVID-19 cases 9,699 by April 22
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3 v8 B: W0 C& N, ]2 G: w4 R9699 / 325789 = 2.98% !6 I) L0 h9 a# U3 O7 V4 r2 Z
+ C* R, E' ]$ OHow to Get Rid of Bats in the Attic
; X" Q, O0 ^7 ?: A6 p6 r( zhttp://www.wildlifeanimalcontrol.com/bats.html2 c2 R; ^8 m% |2 k+ Q- R, k
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补充内容 (2020-4-22 23:04):
3 ~# s( O% V; M2 [, T9 U% L# QThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.: `! E( r) }/ I9 f8 ?% x
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