tree-connected structure的意思|示意

Tree structure view: in this format, the WBS is depicted using a tree structure with each child element connected to the parent element through a line.

树状视图：在这种格式中，用树状结构来体现WBS，每一个子元素都由连接线连到父元素上。

The branches in a tree structure are not connected.

在树型结构中，树枝不能连接。

The tree-shaped structure of nodular vascular framework is connected with the vascular system of plant in the base, It was derived originally from the plant lateral root primordium.

它在基部与植物维管系统联成一体，在本质上是由植物侧根原基衍生而来。