 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
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- X5 J. _( A; n/ ZRockland County population 325,789 (2019)
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Rockland County COVID-19 cases 9,699 by April 22$ ~) h7 V6 D b
https://www.lohud.com/story/news ... dnesday/3002554001/, f- H; a: H. X" H. O
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9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic7 A; E% H* l/ N* s# Q/ ~3 G
http://www.wildlifeanimalcontrol.com/bats.html% n3 J/ z6 J" ]( P3 ?
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补充内容 (2020-4-22 23:04):
6 X5 D% u3 y; \There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.0 R# M3 s4 J# O9 M( Q, }
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