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. 2021 Sep 9;18(18):9520. doi: 10.3390/ijerph18189520

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Annual environmental impacts trends for proposed policy measures. A₁ and B₁ represent the impact trend of single policy and complex policy on C&D waste for landfill, respectively. A₂ and B₂ are the impact trend of single policy and complex policy on land occupation, respectively.A₃ and B₃ indicate the impact trend of leachate under single policy and complex policy, respectively.