因此，本文基于公交线路分级思想，提出了一种分级公交线网与地下互通式免费公交换乘枢纽相结合的公交线网及枢纽规划设置新方法。

So based on planning idea of bus routes graded, a new planning method of bus network graded and mutual connect underground and free bus transfer junction stations is researched.

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因此，本文基于公交线路分级思想，提出了一种分级公交线网与地下互通式免费公交换乘枢纽相结合的公交线网及枢纽规划设置新方法。

So based on planning idea of bus routes graded, a new planning method of bus network graded and mutual connect underground and free bus transfer junction stations is researched.

youdao