林带应设置样段进行调查成活率，样段长20m，样段数按小班应调查的样地面积确定，每个小班不少于3个样段。（）

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题目：林带应设置样段进行调查成活率，样段长20m，样段数按小班应调查的样地面积确定，每个小班不少于3个样段。（）

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