the root of a tree的意思|示意

The results of the reduce call are stored in a B-Tree; the closer to the root the data is in the B-Tree, the higher-level the summary.

reduce 调用的结果存储在一个 B-Tree 中；数据在 B-Tree 中的位置距离根越近，汇总级别也就越高。

The root directory, denoted by a forward slash (/), is at the base of this tree, and each subdirectory off of the root is a branch of the tree.

根目录是这个树的根，由前向斜杠 (/) 表示。 每个子目录都是树的分支。

It is the root of a fairly complex tree that can support building on different hosts for multiple targets.

它是一个相当复杂的树的根，这个树支持在不同的主机上、针对多个目标构建代码。

The idea is that a TreeViewer knows about the root element of the tree that it is going to display.

这里的想法是TreeViewer知道要显示的树的根元素。

The copied tree is made a slave of the root tree so that mount actions in the root tree are propagated to the copy but not the other way around.

这个复制的树是根树的从属挂载，所以根树中的挂载活动会传播到这个拷贝，但是不会反向传播。

It has a tree like structure which begins at the root of the filesystem, which is appropriately called "root".

Unix文件系统有几十年历史，它有一个从树根开始的树形结构，人们恰如其分把起点称为“ root ”。