树安全标签组件：树是一个元素集合，用于表示有多个节点和分支的复杂层次关系。
Tree security label component: a tree is a collection of elements representing a complex hierarchy having multiple nodes and branches.
常量标签的限制使分支计算成为了一种O(1)运算，而不是O (n)运算。
The restriction to constant labels enables the branch computation to be an o (1) operation rather than an o (n) operation.
7月1日开始加州开始实施一项菜单标签的新法规，法规要求分支机构超过20家的连锁快餐店在菜单上标明卡路里含量。
ON JULY 1st California began enforcing a new menu-labelling law, which requires chain restaurants (ones with more than 20 branches) to post the calories in their fare on their menus.
_main_ 中最有趣的分支是期待-q或 --quiet 标签的那个分支。
The most interesting branch of _main_ is the one that looks for the -q or --quiet flags.
转到Attributesview里的标签Outputbranches，然后选择Yes输出分支。
Go to the TAB output branches in the Attributes View and select the Yes output branch.
这些标签的节点或分支点的树。
分支和标签是廉价的(常数时间)行动。
分支和标签是廉价的(常数时间)行动。
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