The no staff and self-reducing tacheometer is a new type of surveying instrument designed and constructed by a group of teachers and students of our department. 无须跑尺自计视距仪是一种新式的测量仪器,经过研究,我们已初步试制成功。
automatic tacheometer (tachymeter) 自动视距仪
Exploration for Trigonometric Leveling with Turning Point Middle Method through Electronic Tacheometer Process 转点中间法全站仪三角高程测量的探讨
