请问,有人能帮解答下本底一词的概念么,该如何理解。比如如何正确理解自然生态系统的本底功能? 知乎 Template




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tomski请问,有人能帮解答下本底一词的概念么,该如何理解。比如如何正确理解自然生态系统的本底功能? 知乎 coloring