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Unit 7 Robotic Total Station
( 智能型全站仪)
For many years, the optical transit was the surveyor
’s tool of choice to measure angles.
( 多年以来, 光学【
optical
】经纬仪一直是测量人员测角的工具选择)
By the 1970s, however, the electronic theodolite began to replace the transit since it could measure
angles more accurately on both the horizontal and vertical axes.
( 然而,
20世界70年代, 由于【
since
】它在水平轴和垂直轴方向上测角更精确【就是水平角竖直角】, 电子经纬仪开始代替经纬仪。)
In the early 1980s, ”total stations,” which measure distances very accurately by using electro ...
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