植物叶、枝条或者是芽侧面夹角的位置。腋芽就是生在枝的侧面叶腋内的芽。
Axil the Angle between the upper side of a leaf or branch and the shoot bearing it. Leaf axils are the site of lateral (axillary) buds.
从枝条的分枝级数（数量）、分枝模式、分枝率、着枝角度及其空间配置状态等方面，论述了树木分枝结构的研究概况。
This paper states the general study of tree branching structure from the aspects of branch number, branching mode, branch angle and their space configuration status.
常绿树枝条：用作装饰品的常绿植物的枝或小枝。
Evergreens: Twigs or branches of evergreen plants used as decoration.
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