Navascope

例句：

1. 1. The Navascope is a crucial tool for surveying the terrain.
   航测仪是勘测地形的关键工具。
2. 2.The observer was trained to identify signs of wildlife.
   观察者接受了识别野生动物迹象的训练。
3. 3. The navigation system helped the pilot find his way back to the airport.
   导航系统帮助飞行员找到了返回机场的路。