为了确保导向系统测量精度达到施工测量的精度要求，必须对自动导向系统的测量误差进行分析。

An error analysis of the system must be made to ensure that the system conforms to the required precision of survey in construction.

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本文阐述利用单片微型机控制的采煤机滚筒自动垂直导向系统的组成、工作原理、设计方法和性能分析。

This paper describes the composition, the principle, the design method and the performance analysis of a single chip microcomputer-based system for automatic vertical guidance of ranging drum shearer.

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本文研究了应用于地下工程的动、静态自动精密导向系统。

In this paper, the dynamic, static and automatic precision orientation system applied to underground projects is studied.

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