Orthocartograph

例句：

1. 1.The orthocartograph shows the distribution of buildings across the city.
   正射投影图显示了城市中建筑物的分布情况。
2. 2.The engineer used the orthocartograph to map out the new road network.
   工程师使用正射投影图来绘制新的道路网络。
3. 3. The orthocartograph was crucial in determining the location of the construction site.
   正射投影图在确定施工地点的位置方面起到了关键作用。