树膛大于30%相对光照强度的比例大，且各层分布均匀一致。
The proportion of it more than 30% of relative light radiation intensity in tree body is not only higher, but uniform in every layer.
树膛大于30%相对光照强度的比例大，且各层分布均匀一致。
The proportion of it more than 30% of relative light radiation intensity in tree body is not only higher, but uniform in every layer.
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