當然反正是估算可能靠什麽沙漏也夠了
所以你需要自己是正午是另一地是什麽時候
所有跟帖:
• 正午是各自的正午,計算地球周長是初中幾何的問題。。 -小二哥李白- ♂ (395 bytes) () 10/20/2024 postreply 18:17:05
• 正午是各自的正午,計算地球周長是初中幾何的問題。。 -小二哥李白- ♂ (395 bytes) () 10/20/2024 postreply 18:17:05
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