total distance indicator

例句：

1. 1. The total distance indicator isused to measure the distance between two pointson a map.
   总距离指示器用于测量地图上两点之间的距离。
2. 2. The totaldistance indicator was designed tohelp people navigate their way throughunfamiliar terrain.
   总距离指示器旨在帮助人们穿越不熟悉的地形。
3. 3. The total distance indicator can be usedto calculate the distance traveled by a vehicleover a given period of time.
   总距离指示器可用于计算车辆在一定时间内行驶的距离。