We often have to finish the work of transformation between Rectangular Plane Coordinate Systems.
在测量工作中,常需要进行平面坐标系之间的转换计算工作。
Therefore, the transformation and upgrade of the old information systems become an urgent demand.
因此,对旧的网络信息系统的改造和升级成为了网络信息系统中的迫切需求。
At present, China is in the transformation period of new and old systems.
当前,我国处在新旧体制的转型期。
At present, China is in the transformation period of new and old systems.
当前,我国处在新旧体制的转型期。
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