摘要
本文利用实例介绍峡谷河流水电站施工控制网的布设及作业方法。在带状及高差大地区注意本测区外业观测时间段，可以取得好的成果。
In this paper, the design and fiels work of water pewer plant construction control netword in valley area is put forword, In the region of belt and great difference of elevation, By means of paying attention to the observation time, an de-sirable result may be achieved.
出处
《四川测绘》
1999年第3期138-139,共2页
Surveying and Mapping of Sichuan
关键词
峡谷
误差椭圆
施工测量
控制网布设
水电站
mountain valley
difference of elevation
surveying construction network
error ellipse
