飞行员依靠GPS系统进行精确的导航。

The pilot relies on the GPS system for accurate ___navigation.

这个网站的导航设计非常清晰，很容易找到需要的内容。

The website's clear ___navigation design makes it easy to find what you need.

船员们依靠星星进行海上导航。

The sailors used stars for their ___navigation at sea.