本文以直齿锥齿轮为例，给出了直齿锥齿轮的设计导航流程，提出在已经标准化了的齿轮零件库中匹配出最相似的齿轮零件是关键的步骤。

Taking cone gear as example, this paper presents the design guidance of cone gear and emphasizes that it is the key step to match the most similar gear in standardized gear parts base.

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也注意到在网页顶端商品导航设计的多么巧妙。

Also notice how clever the product navigation is designed at the top of the site.

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导航设计的易于理解。

Designing your navigations as easy to understand.

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