 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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" e3 C# F( v) x W9 jRockland County population 325,789 (2019)
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0 }9 w* J% g4 C; ?2 lRockland County COVID-19 cases 9,699 by April 22# s/ ?7 o5 Y) I, s
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9699 / 325789 = 2.98% !7 ^9 { w% v, o" p N
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How to Get Rid of Bats in the Attic
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. {% ~$ p& [, L \补充内容 (2020-4-22 23:04):
3 T5 t) @: y r! UThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.+ |! p: n, {7 ?0 U
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