下图为某森林生态系统碳循环示意图图中abcd分别代表生态系统的成分� �代表碳元素的传递过程请据图回答 1图中b是指 D是 Template




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tomski下图为某森林生态系统碳循环示意图图中abcd分别代表生态系统的成分� �代表碳元素的传递过程请据图回答 1图中b是指 coloring