“感染的可能性=病毒的數量x 暴露於病毒的時間” 這種常識還用總結？這個數量應該改為密度。

來源: 周老大於 2022-01-21 17:05:04 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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