The transforming of survey datum and the control of axis, vertical level, elevation are of great importance on controlling quality of high-rise building construction.
在高层及超高层建筑工程中，测量基准传递和轴线、垂直度、高程控制是建筑物施工质量控制的重点内容之一。
2
In the highway construction, it must be to compute the construction elevation of the encrypted stake Numbers for exactly controlling the construction elevation.
在公路的施工中，为了准确地控制施工标高，必须对加密桩号的施工标高进行计算。
3
During the period of establishing third grade plane controlling net and elevation fitting work by using GPS, plane precision and elevation fitting precision are promoted.