louie_lu's blog

📌 置頂: 請把任何比你弱勢的用路人當作你的至親對待。跟前車保持安全車距 (2秒以上)。

計算兩個經緯度 (lat/lon) 之間的夾角

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  • https://www.movable-type.co.uk/scripts/latlong.html

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