Stand density had a weak impact on height, crown height, crown width, diameter and length of upper branches;

密度对上层木的树高、冠长、冠幅、树冠上层枝直径和枝长等的影响比较小；

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Stand density had a weak impact on height, crown height, crown width, diameter and length of upper branches;

密度对上层木的树高、冠长、冠幅、树冠上层枝直径和枝长等的影响比较小；

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