此文对灯标最大可见距离提出了较为严密的计算方法，并对中版灯标表和海图编制以及航海学教材中的相关部分提出了修改建议。
This paper puts forward an accurate method of calculating light maximum visible range and gives suggestion on compiling List of Light (Chinese edition) and navigational text-book.
利用卫星影像编制海图有独特的优点。
It has a certain advantage to edit and produce chart by using satellite image.
它们已在浙江海区近代历史海图集的编制中得到应用和验证，并对我国其它海区近代历史海图集的编制具有参考价值。
They have been used and verified in the compilation of modern historic chart atlas of Zhejiang sea area and should have a referential value for other sea areas of China.
它们已在浙江海区近代历史海图集的编制中得到应用和验证，并对我国其它海区近代历史海图集的编制具有参考价值。
They have been used and verified in the compilation of modern historic chart atlas of Zhejiang sea area and should have a referential value for other sea areas of China.
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