... Improvement of Precise Leveling Instruments 精密水准测量器具的改进 leveling precise 精密水平测量 leveling precise level 精密水平仪 ...
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leveling precise level 精密水平仪
precise leveling [测] 精密水准测量 ; 精密校平 ; 水准测量 ; 精密水隼测量
precise leveling instrument 精密水准仪
precise leveling staff 精密水准标尺
precise level leveling instrument 精密水平仪
precise leveling i trument 精密水准仪
precise leveling rod 精密水准尺 ; 精选密水平标尺
Improvement of Precise Leveling Instruments 精密水准测量器具的改进
precise trigonometric leveling 精密三角高程测量
To determine the relative positions of them, the GPS technique, traditional direction and range survey, and precise leveling are adopted in this paper.
本文采用GPS技术及常规的方向、距离和精密水准测量对三个站进行了空间归心测量。
Theoretic study and experiment show that the new method solves the problem which simplex GPS leveling can't connect different height systems and so it is an effectively precise method.
理论研究和实验表明，新方法克服了单纯GPS水准无法连接不同高程系统的困难，是一种有效的高精度方法。
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