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。
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。
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。
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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