From this research, we obtain the following conclusions:1 There are marked relativity between DBH and height of trees, between DBH and the ratio of height to DBH. The relativities can be described by the model, H=3.0683+0.3936Z) and F=0.713 8-0.006 3D.
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- 1 天山云杉的胸徑和樹(shù)高、胸徑和高徑比;具有很大的相關(guān)性;可以用模型H=3.;0683+0