图中两条虚线之间的部分表示生态系统功能正常作用的范围.y表示一个外来干扰使之偏离这一范围的大小x表示恢复到原状态所需的时间曲线与正常范围 Template




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tomski图中两条虚线之间的部分表示生态系统功能正常作用的范围.y表示一个外来干扰使之偏离这一范围的大小x表示恢复到原状态所需的时间曲线与正常范围 coloring