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          幼兒園環保ppt

          幼兒園環保ppt

          這是幼兒園學習網網友上傳的《幼兒園環保PPT》大全,歡迎各位網友前來學習下載。環保,全稱環境保護,是指人類為解決現實的或潛在的環境問題,協調人類與環境的關系,保障經濟、社會的持續發展而采取的各種行動的總稱。其方法和手段有工程技術的、行政管理的、創新研發的,也有法律的、經濟的、宣傳教育的等。

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