苏联使用卫星照片为哈萨克干燥缺水区的五十万只羊找到了几处地下淡水源。这些地下水被沙地覆盖着,但从空间照片上却可异常清晰地看到。若用传统方法寻找这几处水源,则需要花费不少的时间和钱。在苏联兴修远东第二条西伯利亚铁路之前,也利用卫星照片绘制了沿贝加尔湖至阿穆尔铁路干线的地震带,从而为避免铁路穿越地震 The Soviet Union found several underground freshwater sources using satellite photos of the 500,000 sheep in the dry and dry areas of Kazakhstan. The groundwater is covered in sand, but unusually clearly seen in space photos. If you use traditional methods to find these several water sources, you need to spend a lot of time and money. Before the Soviet Union rebuilt the second Siberian railway in the Far East, satellite images were also used to map the seismic belts along the Baikal-Amur Railway. In order to avoid the railway crossing the earthquake