To find out, align your global positioning system with some satellites, check the co-ordinates and pencil them on to a chart.

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。

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Then two plans and a chart (effect-cause map, list map and check chart) were used to analyze the reasons causing defect positioning or quantitative errors.

然后利用两图一表(因果图、排列图和检查表)分析引起缺陷定量或定位错误的原因。

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This system has realized the high precision real-time matching positioning about electronic chart and radar image in possession of high practical value.

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。

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Even today in the world of satellite based GPS and the fairly exact positioning information it can provide, it is always best to have a paper chart or map and the needed tools in case your electronic ones fail so you are not left stranded and unable to find your way home.

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