无定向测量是工程测量中一种较常遇到的问题。
The undirectional measurement is a problem which often be seen in the engineering measurement.
简要介绍了陀螺经纬仪在定向测量中的应用和祁东风井联系测量技术。
This text introduces the application of theodolite in the directional measure technique in Qidong ventilation shaft.
本文介绍了几种比较典型的无定向测量方法，阐明各自的特点和适用范围。
Several typical methods of undirectional measurement were introduced in this paper, and their characteristics and scope of application were expounded.
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