提出了保证垂线偏差测定精度的观测设计准则。
An observation design criterion which ensures the observation precision of the vertical deflection is presented.
同时也讨论了影响表层测定精度的两个特殊因素。
Two special factors which influence the accuracy of calibration for top soil have been discussed also in this paper.
度盘测微器系统误差是影响度盘对径改正精度和度盘位置测定精度的重要因素。
The systematic error of the circle reading micrometer is an important factor to influence on the accuracy of the diameter correction and of the position measurements of the circle.
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