non-navigational chart

例句：

1. 1.The non-navigational chart is essential for navigating through the city's underground system.
   这个非导航图对于在城市地下系统导航至关重要。
2. 2.The map on the wall is a non-navigational chart that shows the routes to different destinations.
   墙上的地图是一个非导航图，显示了通往不同目的地的路线。
3. 3.The non-navigational chart was helpful in guiding us through the crowded streets.
   这个非导航图在我们穿过拥挤的街道时很有帮助。