设计标高 meaning in Chinese

design elevation
designed elevation

Question 9 : is there confirmed design elevation for the no . 1 , no . 3 and no . 6 as well as the light rail to the airport
请问地铁1号线、 3号线、 6号线以及机场轻轨有没有确定的设计标高？
Answer 17 : the applicant can design the elevation of square according to the elevation of planning roads and railway tracks
答：应征人根据规划道路和铁路轨道的标高，自行确定广场的设计标高。
The error between the calculated values and the design ones of elevations at controlling points in the designated status is very small
计算得到成桥状态的几何线形控制点标高与设计标高相比，误差很小。
Use level survey to mark the paving design elevation of the cement stabilized macadam with obvious mark on indication piles both sides
利用水准测量，在两侧指示桩上用明显标记标出，水泥稳定碎石的铺筑设计标高。