1) dual-theodolite combination
双经纬仪组合
2) 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
3) warp and weft combination
经纬组合
1.
This paper quantitatively or qualitatively examines some essential factors for fabric specifications such as covering factor, fabric weave, warp and weft combination, loom efficiency and their relation, serving as a reference for prediction of loom efficiency in product design.
文章定量或定性地讨论了织物规格的几个要素即织物紧度、织物组织与经纬组合与织机效率的关系 ,可供产品设计时预测织机效率作参
4) two transits method
双经纬仪法
5) double-center theodolite
复合经纬仪
6) the imitating method of couple transits
仿双经纬仪法
1.
A new type technique of measurement that is called the imitating method of couple transits is raised on the basis of studying the methods of transit-steel tape and couple transits intersection.
天线主面精度测量在天线安装过程中占据重要位置,在总结、借鉴经纬仪-带尺法及双经纬仪前方交会法测量原理的基础上,提出了一种较为新型的旋转面天线测量方法———仿双经纬仪法,阐述了该方法的测量原理,同时对该方法的系统误差进行了分析。
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