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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)4 ]* i7 n3 L' P% f
https://www.google.ca/search?sxs ... &sclient=psy-ab
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Rockland County COVID-19 cases 9,699 by April 226 ?% h% T& j9 a# X+ z9 q& f% J
https://www.lohud.com/story/news ... dnesday/3002554001/1 t! [9 Z1 } A/ C
" e6 Y8 k, q( X( s9699 / 325789 = 2.98% !+ M& m- i4 C- B5 m: V( P
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How to Get Rid of Bats in the Attic( Y* `; T, l2 Z( g6 @$ |
http://www.wildlifeanimalcontrol.com/bats.html
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补充内容 (2020-4-22 23:04):
# G" D$ {: g( F9 F. }- GThere have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.% ]( @/ _% u. |6 S, P
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