Computer graphics have been replaced by manual operation, the network has been formed production scale, in the past need to map a large number of warehouses stacked on little condensed into a chip.

• 计算机制图已经代替手工作业，网络化生产已经形成规模，以往需要大量仓库堆放的地图浓缩到一张张小小的芯片里。