樣本數目太小.數據不可靠.,根據AR疫情數據,AR有新冠抗體的人口比率在5%左右而非3%,LOL

回答: news: 3.5% of Arkansans have had COVID-19fuz2020-10-24 03:59:58
請您先登陸,再發跟帖!