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Retraction Note to: Effect of ecological restoration in mountainous area based on C4.5 algorithm of decision tree and college English distance learning system

Crossref DOI link: https://doi.org/10.1007/s12517-021-08771-z

Published Online: 2021-11-04

Published Print: 2021-11

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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