{"type":"rich","version":"1.0","title":"第四章探地層","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/WRX92Cq99wABXrhe/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5915fdd82abdf700015eb85e\" frameborder=\"0\" allowfullscreen></iframe>"}