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转一篇从数理统计角度关于病毒起源的分析3 h, ^# k( E' Z* y
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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Rockland 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% !
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How to Get Rid of Bats in the Attic/ J; N8 {$ X9 O! T: C" i
http://www.wildlifeanimalcontrol.com/bats.html7 b2 G$ c0 C! v* ?: l
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补充内容 (2020-4-22 23:04):
, K* o* G& g5 ?* ^- I# l* JThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives., y a# i) ]$ B& k! C
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