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转一篇从数理统计角度关于病毒起源的分析/ w9 _% V4 _' I/ I7 _+ J; o, M
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt, z2 O. s/ H9 v. z+ U. u' G
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Rockland County population 325,789 (2019); C) G) v, q* y' B( v5 s
https://www.google.ca/search?sxs ... &sclient=psy-ab
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Rockland County COVID-19 cases 9,699 by April 22. ]1 U% T/ ~- L$ o3 }2 N
https://www.lohud.com/story/news ... dnesday/3002554001/, B4 Y3 U+ H/ ?- J' B
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9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic) A+ z9 e$ ?0 A6 V8 w( w8 v) u3 z
http://www.wildlifeanimalcontrol.com/bats.html
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补充内容 (2020-4-22 23:04):
b ?' L8 @( y3 nThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.! q, w2 u K% ~% b9 P4 }
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