沒錯上次我也從極限說，但覺沒必要，它是一步步用有限分割來誘人入套的，而每一步都有確定的速度值，這就夠了

來源: 老鍵於 2023-12-22 17:54:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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