tree-hand section

With respect to the optimization design of sewer network, tree structured theory was used to depict the sewer network, ternary tree form was proposed to treat the sewer network structure, and pipe section was regarded as node in this study.

对于污水管网的优化设计，采用了图论中树形结构的理论来描述污水管网，提出用三叉树的形式来处理污水管网的网络结构，把管段当作树的节点作为研究对象；

After learning the culture section on our textbook: Tree Planting Day.

上植树节一课，我和同学们一起开始画心中的树。

The Cantilever Climbing Form Construction Technology of Variable Section Hollow Thin-walled Pier Structural design of light railway station supported by tree-shaped colonnade with long cantilever

变截面空心薄壁墩悬臂爬模施工技术单排树形大悬臂墩柱高架轻轨车站结构设计

Research on the Adaptability of Fragrant Camphor Tree in the Central Section in China

香樟在我国中部引种适应性研究

Appearing to terminate abruptly, as a leaf of a tulip tree or a coiled gastropod shell that lacks a spire. relating to or based upon a section ( i.e. as if cut through by an intersecting plane).

截平的象鹅掌揪树叶或去尖的螺蛳壳等一样突然切截的关于截面的或以截面为基础的（好像被一个相交平面穿过）。