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Channel / Source:
TEDx Talks
Title: 讓空汙無所é形的å°ç›’å | A low-cost and effective way to monitor air quality | 陳伶志 Ling Jyh Chen | TEDxTaipei
Published: 2017-12-18
Source: https://www.youtube.com/watch?v=XW5aTPKWQNs
