 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. @2 D6 F9 y) t) p9 g. r' W" S
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt! _0 \, b. [3 K, I% e. w5 q( D
& }& e- o4 _1 o: m6 tRockland County population 325,789 (2019)
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Rockland County COVID-19 cases 9,699 by April 22
0 z7 z5 _- r: dhttps://www.lohud.com/story/news ... dnesday/3002554001/
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8 y; P% B3 X& X1 F5 _+ F2 B9699 / 325789 = 2.98% !
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How to Get Rid of Bats in the Attic
4 K; O4 ^, Q5 ]1 m# A0 r3 Xhttp://www.wildlifeanimalcontrol.com/bats.html4 ]- I$ l( z% b3 p+ S' i3 H" M& ~ s/ ]
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补充内容 (2020-4-22 23:04):
. t0 K( k: i4 F& Q# n& ?6 ~There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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