我上麵回帖裏用R0的換算公式不是貼著麽

來源: sinology 於 2020-04-10 09:58:47 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

無知就要虛心點。好好學吧。哈哈哈哈

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