1) bowl crown
[农]杯状树冠
2) crown profile
树冠形状
1.
Crown profile models, including branch diameter, branch length, angle of origin, and branch chord length, were developed from branch attributes and tree variables.
基于枝条着枝深度 (DINC)和林木变量所建立的树冠形状模型包括 :基径、枝长、着枝角度和弦长等预估模型。
2.
Models for simulating locational distribution of total branches, both along and around the bole, and for estimating crown profile of primary branches within live crown were developed in a 26-year-old Larix olgensis plantation based on the circular branch analysis technique.
对于某一株树来说主要枝条的这些变量均随着着枝深度(DINC)的增加而增加,而对于不同大小的树木,影响树冠形状和结构的因子可由树高和胸径两个变量综合体现出来。
3) form of layer crown
[农]层式树冠
4) crown thin out
[农]疏剪树冠
5) clipping of crown
[农]树冠修剪
6) free-setting the crown
[农]树冠修整
补充资料:杯状细胞
杯状细胞
goblet cell
分散在支气管、消化道(尤其是小肠大肠)黏膜内的一种呈杯形能分泌黏液的细胞。杯状细胞的下部含有大量粗面内质网,而胞核上方含有高尔基复合体,顶部细胞内含有大量黏液颗粒,是黏蛋白成分。其分泌的黏液附于上皮表面,有润滑与保护作用。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条