300000這個數字的有效數字是哪一位？你如果做過助教，見到這樣的觀測數據，會做何感想？

來源: 馮墟於 2023-12-14 10:04:58 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.