 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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Rockland County population 325,789 (2019)
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Rockland County COVID-19 cases 9,699 by April 22 D2 O0 I, [. W
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b4 v \9 {+ b9699 / 325789 = 2.98% !3 ]" n# h1 g3 a/ }0 H6 v4 y
0 m+ H3 F. o* ]0 \6 k; j) bHow to Get Rid of Bats in the Attic
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( t, _$ D/ ~$ I9 g/ i补充内容 (2020-4-22 23:04):
; f+ N: J: e1 ^( _7 tThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.0 ?1 D& F G/ w& q
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