差不多，我已經算給你看了，等你聽到聲音再抬頭去看的時候，飛機已經到你頭上。你可以再讀讀我上麵貼的正文。裏麵有計算。

來源: hkzs 於 2023-08-27 02:26:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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