concept level tree 概念层次树
level-tree structure 树型结构
3-level tree topology 三层树状拓扑
Multi-level tree structure 多级树结构
two-level tree structure model 两层树结构模型
multi-level tree-structured inventory 树型多级库存
tree level 树层次
level search tree 等级搜索树
You can do this by adding two buttons: one that expands and one that collapses all the top-level tree items.
为此,您可以添加两个按钮:一个用于展开所有顶级树项目,一个用于折叠树项目。
A useful feature to add to your applications is the capability to expand or collapse all top-level tree items.
可以向应用程序中添加一个有用的特性,那就是展开或折叠所有顶级树项目的功能。
Ten thousand years of tree rings show that the carbon-14 level rises and falls about every 420 years.
一万年的树木年轮显示,碳14水平大约每420年上升和下降一次。
Well, notice again, on each level of the tree, when I actually do the merging, so this remember, is when I wrote down just the numbers when I bottomed out with the list of size 1.
请注意,在这棵树中的每一层,我真正做合并时,就将每个大小为1的列表中的,数字写下来。
O Right there, order n. So I have order n operations at each level in the tree. And then how many levels deep am I? Well, that's the divide, right? So how many levels do I have?
在这儿,所以我在树的每个层次都要做O的操作,那个这棵有多少层呢?,这是一个除法,不是吗?
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