分析结果表明，紫椴枝叶解剖构造在不同纬度间存在一定差异。
Results show that there are differences in every anatomical structure of branches and leaves of T. amurensis from different latitudes.
主要研究以下几点内容：紫椴的形态解剖结构是否随纬度、海拔的升高而存在差异；
Its main research concluded the following contents: the morphological and anatomical structure of Tilia amurensis exists differences as the hoist of latitude and elevation;
对更新联结度的分析表明：紫椴和蒙古栎更适合于在本树种的树下更新，其它树种更适合于在非本树种的大树下更新。
The analyses result shows that tilia and Mongolian oak are suitable for regeneration under the same arboreal species and other trees is suitable under different arboreal species.
对更新联结度的分析表明：紫椴和蒙古栎更适合于在本树种的树下更新，其它树种更适合于在非本树种的大树下更新。
The analyses result shows that tilia and Mongolian oak are suitable for regeneration under the same arboreal species and other trees is suitable under different arboreal species.
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