河流的水文很複雜。和風向一樣變化莫測，是流體，很多漩渦。用電腦可以模擬。

來源: 布蘭雅於 2025-06-12 19:12:00 [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.