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转一篇从数理统计角度关于病毒起源的分析2 r5 Q, Q1 U9 k" c) L( I
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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Rockland County population 325,789 (2019)0 S7 q) c' b Q) H& _
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* r7 ~6 p3 j, J$ oRockland County COVID-19 cases 9,699 by April 22
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, u7 R O9 s# w9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic
- c3 c: r8 E' |) K Q5 |% ihttp://www.wildlifeanimalcontrol.com/bats.html8 Q/ O3 Q* Z \2 D. o" c3 E* x
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补充内容 (2020-4-22 23:04):- J" |8 b: d4 N, E) D
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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