福科擺不是自己擺起來的。。地球自轉導致擺動平麵緩慢轉動
所有跟帖:
• 是的。這也是它存在的意義。我提到了這一點 -donau- ♀ (0 bytes) () 09/28/2023 postreply 22:57:27
• 是的。這也是它存在的意義。我提到了這一點 -donau- ♀ (0 bytes) () 09/28/2023 postreply 22:57:27
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