It is generally hypothesized that tree leaves at different crown position generally adjust their structural and functional traits to achieve an optimal performance.
不同树冠位置的叶片为了达到功能的最大化,形成了不同的结构与功能的特征。
参考来源 - 冠层位置对5种阔叶树叶片解剖结构与氮含量的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
The position of female inflorescences of trees in peripheral parts of the crown may also augment the probability of pollination .
乔木的雌花花序在树冠外层的位置也能增加授粉的机会。
In normal use, non spiral crown should push the crown back to the original position, the crown screw thread to prevent water infiltration.
正常使用中，非螺旋式表冠应将表冠按回原始位置，螺纹表冠应旋紧以防止水渗入。
For each mangrove, identify and measure its position along the transect line, height, crown length, crown width.
辨认每一棵红树，并且量度它们的在样线上的位置，高度，树冠长度，树冠阔度。
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