1) double-theodolite observation
双经纬仪观测
2) theodolite observation
经纬仪观测
3) observing theodolite
观测经纬仪
4) single-theodolite observation
单点经纬仪观测
5) double-theodolite anemometry
双经纬仪测风
1.
This paper introduces the concepts of double-theodolite anemometry--base-line anemometry,probes into several key problems that should pay attention to during the double-theodolite anemometry--base-line anemometry.
介绍了双经纬仪测风——基线测风的概念,探讨了进行双经纬仪测风——基线测风时应注意的几个关键问题。
6) two transits
双经纬仪
1.
On the basis of practice,the article puts a new method to monitor the landslide using two transits in short distance range.
以实践为基础 ,提了利用双经纬仪监测小范围滑坡的方法 ,叙述了其基本原理、作业要领及关键技术。
2.
The methods to determine horizontal position of bridge component using direction intersection principles and the method to determine elevation position of bridge component using two transits are put forward.
阐述了特大公路桥梁施工控制测量的原则、方法及技术要求 ,提出了利用方位交会确定桥梁的构件平面位置的方法以及利用双经纬仪确定桥梁构件标高位置的方法 ,实现了特大桥梁施工三维放样的同步
补充资料：JT-15陀螺经纬仪
JT-15陀螺经纬仪
JT 15陀螺经纬仪
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条