{"type":"rich","version":"1.0","title":"CH2 氣體的性質","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/WW4k5TH9AgABOjVO/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/596e24e531fd0200013a354e\" frameborder=\"0\" allowfullscreen></iframe>"}