並前往https://chinana22.pixnet.net/blog/post/298338784-%E7%B4%94%E5%88%86%E4%BA%AB-ellips%E8%AD%B7%E9%AB%AE%E7%B2%BE%E6%B2%B9-%E4%B8%80%E5%AE%9A%E8%A6%81%E8%B2%B7%EF%BC%81%EF%BC%81%EF%BC%81