用无人机测绘40℃的长沙
长沙的街边,一架无人机正慢慢起飞,开始它的地理测绘工作。
A UAV is slowly taking off to start its geographical mapping work on a street in Changsha.
测绘作业具有很强的时效性,无论严寒酷暑测绘工程师都会确保测绘工作正常开展。
Because of strong timeliness, no matter whether it is cold or hot, engineers should ensure that the surveying &mapping operation is carried out normally.