Trunk girth growth of the fruit tree was studied by means of Logistic equation, Mitscherlich equation.

生长模型是定量研究果树干周生长过程的有效手段。

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The POD activity have a strikingly negative relationship with the height of tree, trunk girth, diameter of crown, the volume of the tree crown, and the dwarfed nature of the stocks.

POD活性与树高、干周、冠径、树冠体积呈显著负相关，与砧木的矮化性呈负相关。

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But if you love the urban tree, as I do, the plane tree steels the show - the array of colours on its bark, the green of the leaf, the girth of the trunk, the hang of the branch.

如果你像我一样喜欢城市里的树木，你可以看到，树木上的陈列的颜色，葱郁的树叶，树干的线条，以及那些悬挂着的枝杈。

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