介绍了一种地形图的套合修测方法及其作业步骤，并对其精度作了论证。

This paper introduces a method of topographical maps adjustment revise and its work steps, prove its form accuracy.

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该法是从生产实践中总结出来的，方便实用，是对常规修测方法的补充。

This method is a summary from practice, it is convenient and practical. It is supplement to conventional revise method.

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结合GPS在数据采集中的应用介绍了位置显示与道路修测数据采集和处理的工作原理。

Combined with the application of GPS in data collection, the paper introduces the operational principle of position display and data collection of road test.

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