本文就横向量边视差导线曲结构、外业操作步骤、内业计算方法、在地质工程测量中的使用条件、精度分忻方法、能否满足地质工程的精度要求等方面,作了详细的论述和推导。结果证明,横向量边视差导线这一特殊的测量方法,在其它控制测量困难的地区,有其独特的使用价值,为地质工程测量的控制方法,打开了一个新路子,可供地质战线上的广大测量工作者参考使用,对其它如道路、城建、永利建设等方面的测量同行们,也可根据所碰到的类似外业条件面灵活应用。 In this paper, we discuss in detail the transverse side-to-side parallax wire curve structure, the field operation steps, the calculation method in the field, the conditions of use in the geo-engineering survey, the method of accuracy and subdivision, and the ability to meet the precision requirements of geological engineering And deduced. The result proves that the special measuring method of transverse gauge parallax wires has its unique value in other areas where control is difficult to measure. It opens up a new way for the control of geological engineering surveying, The majority of surveyors refer to the use of other such as roads, urban construction, Wynn construction and other aspects of the measurement counterparts, but also meet the similar conditions encountered outside the face of flexible application.