{"type":"rich","version":"1.0","title":"现实生活中的圆锥曲线","description":"一个包含4组配对的匹配活动，学生将圆锥曲线的名称与代表该形状的现实世界物体进行配对。","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922016957&hashid=9LjkV9DNrO","html":"<iframe src=\"https://arcade.padlet.com/embed/9LjkV9DNrO\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}