{"type":"rich","version":"1.0","title":"都卜勒效應","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Y7_6T_nDY3PfnZ9v/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/63bffa4ff9c36373df9d9f6f\" frameborder=\"0\" allowfullscreen></iframe>"}