Note that there are two top level nodes in the “Initial request parameters” table (Figure 32).

注意，在 “Initial request parameters” 表中有两个高级节点（图 32）。

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You have to be careful if the nodes you're searching are not top-level nodes (or fragment roots).

如果您在搜索的节点不是顶级节点(或片段根)，那么您必须小心。

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Some directories are referred to as top-level device paths. These directories represent actual devices that have corresponding device nodes.

一些目录被称为顶级设备路径，这些目录拥有对应设备节点的实际设备。

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