为了回答这个问题，要用卫星校准你的全球定位系统，核对坐标，再用铅笔把它们标注在航海图中就可以了。
To find out, align your global positioning system with some satellites, check the co-ordinates and pencil them on to a chart.
在基于GPS定位技术的电子海图应用系统中，各种坐标体系之间的变换算法是其核心技术之一。
The arithmetic of coordinates transformation is one of the core techniques in the ECDIS electronic chart display and information system based on GPS(global position system).
本系统实现了较高精度的电子海图与雷达图像实时匹配定位，具备较高的实际应用价值。
This system has realized the high precision real-time matching positioning about electronic chart and radar image in possession of high practical value.
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