Abstract: Combining the requirements of surveying the super-highway, this paper raised a series of problems, including the observation, record and adjustment of three-dimensional connecting traverse with EDM introduced in the initial survey of line. In addition, it demonstrated three-dimensional connecting adjustment of condition equations with unknowns.

Key words: highway Surveying, three-dimencional traverse, adjustment of condition, weight, mean square error

摘要： 本文结合高等级公路勘测的要求,提出了在线路初测中,应用电磁波测距仪作三维附合导线的观测、记录与平差计算等系列问题。并对附有未知数的三维导线条件平差进行了论证。

关键词: 公路勘测, 三维导线, 条件平差, 权, 中误差