可引用的發言段落Citable transcript turn#493242講者:Speaker: Audrey TangFor example, when the primary schoolers in their data competence classes contribute to climate science by measuring PM 2.5 levels and write it to a distributed ledger. 逐字稿導覽Transcript navigation查看前後文View context分享此段Share turn來源逐字稿Source record2021-12-06 Meeting with Joachim Son Forger and Ledger