【摘要】 为配合哈尔滨市委确定的南拓战略要求,需在哈南地区提供地形测图和各种工程建设所必需的高程控制点,所以在哈尔滨市二等水准网南侧加密扩充三等水准网。更多还原

【Abstract】 To coincide with the south extension strategy for Harbin city committee of the communist party of China determine requirements,should provide the necessary height control points for terrain mapping and various engineering construction in the south region,so encryption expansion third leveling network in the second grade level net in Harbin south.更多还原