By using some transfer formulae, we may figure out the control point which is impossible for the surveyors to survey directly in engineering survey.

在工程测量中，可以用转换公式计算测量人员无法直接施测的控制点。

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Problems concerned with the optimum design, precision estimation and control point positioning of the control network in construction survey of a power plant are introduced.

文中介绍某电厂施工测量中有关控制网的优化设计、精度估计及控制点位放样方法等问题。

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In the case of no control point, we can use localization function and line stake function of RTK technique in transmission line final location survey.

在没有控制点的情况下，利用rtk技术提供的在任意点上地方化功能和线放样功能进行线路终勘定位。

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