GPS RTK定位技术，因其直观快捷、实时性强、点位误差不累积等优点在测绘生产中得到了普遍的使用，其误差由GPS的定位误差与坐标转换误差组成。
The GPS RTK positioning technology has been widely used in the measuring engineering. The errors of the data mainly are composed of measuring error and coordinate conversion error.
配准是多传感数据无误差坐标转换的必不可少的处理过程。
Registration is the essential process of error-free coordinate conversion of multiple sensor data.
将来自不同国家的数据源进行数据转换、投影变换和误差校正，转换为统一的数据格式和投影坐标系统。
The data from the data sources of different countries are converted into the unifying data format and projection coordinates system by data conversion, projection conversion and error correction.
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