测高仪

例句：

1. 1. The surveyor used a telescope to measure the height of the mountain.
   测量员使用望远镜来测量山的高度。
2. 2. The engineer designed a device for measuring the height of buildings.
   工程师设计了一个测量建筑物高度的设备。
3. 3. The scientist used a telescope to measure the distance between the stars.
   科学家使用望远镜来测量星星之间的距离。