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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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- G0 ]" d, y- [+ r3 f6 tRockland County population 325,789 (2019)
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Rockland County COVID-19 cases 9,699 by April 22
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9699 / 325789 = 2.98% !4 F: n' m* y5 a# N5 o/ G
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How to Get Rid of Bats in the Attic4 Y& K. e4 x R! f" \, b/ c P
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* j1 {/ a7 I, ?5 S; h3 s4 K5 b2 @- L补充内容 (2020-4-22 23:04):
6 T5 ?6 l8 \( s9 X; eThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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