 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' |7 h7 B5 M0 q0 }. H
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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Rockland County population 325,789 (2019)
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; _: j( ^# W4 }( B, Y. zRockland County COVID-19 cases 9,699 by April 228 f" H7 g3 K( b. J( ~
https://www.lohud.com/story/news ... dnesday/3002554001/
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( H8 J8 W) _/ J0 b% s9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic
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3 A9 A1 E9 [2 C8 X- q, Y3 Y补充内容 (2020-4-22 23:04):% H6 q, l- d( P7 ]% l' Z( h+ s
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.; f: P5 w7 M5 z$ y* m+ T, M# p N0 s
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