{"type":"rich","version":"1.0","title":"**Sóng cơ và Sóng âm**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YZiY42aAVXfqEeih/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/619898e366805577ea11e8a1\" frameborder=\"0\" allowfullscreen></iframe>"}