此类 URI 具有层次结构，其根为单个路径，从根开始分支的是公开服务的主要方面的子路径。

This type of URI is hierarchical, rooted at a single path, and branching from it are subpaths that expose the service's main areas.

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本文提出两种结构的具有环形阳极的马鞍场电子振荡微电离规（以下简称鞍场规），它其于可以产生电子路径，因而产生有效的气相电离的静电马鞍场约束的基础上。

A new gauge described in this paper is based on the electrostatic saddle field confinement which is capable of producing long electron paths and consequently efficient gas phase ionization.

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