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转一篇从数理统计角度关于病毒起源的分析5 W8 u7 I, z, W" C5 D* b* C
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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Rockland County population 325,789 (2019)3 q% s6 T! e, [# _$ @# F; {* \
https://www.google.ca/search?sxs ... &sclient=psy-ab- b$ i8 N& f7 t% F
- F+ F1 T B0 E: aRockland County COVID-19 cases 9,699 by April 22. ]. J, s- v: n
https://www.lohud.com/story/news ... dnesday/3002554001/6 r5 t! _' u& i$ u1 R7 `9 ?
5 z+ I0 c: ~7 c8 z1 [( q9 ^9699 / 325789 = 2.98% !( x+ a2 W5 {; G; Y4 r: V6 E/ h7 K7 n% p
v% S, R- I4 }4 {' i2 _How to Get Rid of Bats in the Attic- x# i! R6 i* R: t! V9 M
http://www.wildlifeanimalcontrol.com/bats.html/ l" Z6 X) }* a4 q9 Z# x
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补充内容 (2020-4-22 23:04):
9 {2 n- }; m% H! q* b% OThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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