 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8 Q' I$ Q1 n+ ]
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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Rockland County population 325,789 (2019)2 \2 \8 R, S s9 a6 s d
https://www.google.ca/search?sxs ... &sclient=psy-ab
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Rockland County COVID-19 cases 9,699 by April 22- n& J g' N$ j% N- C
https://www.lohud.com/story/news ... dnesday/3002554001/) x& ~$ Q4 G6 b" H: e0 b# p% S
6 l5 B L4 h6 K: K9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic9 U/ {" Z3 w' i% F, x' m
http://www.wildlifeanimalcontrol.com/bats.html" z- `3 y$ _+ ^9 v" ~5 K6 J
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补充内容 (2020-4-22 23:04):
- K1 b% H( g: o$ ?3 P: A* Z# zThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives./ n; ?& E$ f# t; r; z6 {, U
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