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转一篇从数理统计角度关于病毒起源的分析) o! Q0 u9 [; q- _$ g) q
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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7 i- T8 r, e, i! u& ^8 G; \Rockland County population 325,789 (2019)* U( f3 [$ A. d0 `( w
https://www.google.ca/search?sxs ... &sclient=psy-ab4 Z1 d/ @, s. h7 n
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Rockland County COVID-19 cases 9,699 by April 22( O5 S U: p# d* [* ]+ W
https://www.lohud.com/story/news ... dnesday/3002554001/
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9699 / 325789 = 2.98% !; Q( m1 N3 q9 v
, d: Z$ h5 D4 L2 E. A. QHow to Get Rid of Bats in the Attic
6 I1 R9 B V, xhttp://www.wildlifeanimalcontrol.com/bats.html: C; n4 Z0 \1 U
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补充内容 (2020-4-22 23:04):+ i# P w D( ?5 z0 k$ F+ e3 a$ M1 @& s
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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