Nautical charts

The Hydrographic Office carries out hydrographic surveys and produces bilingual nautical charts .

海道测量部负责进行海道测量和制作兼备中、英文的海图。

Major re-surveys of the port areas continue and bilingual nautical charts and publications are published for sale to the public .

海道测量部将继续大规模重新测量港口各水域，并出版双语海图和航海刊物，供公开发售。

The prospects of Remote sensing images used in the production of nautical charts

遥感影像应用于海图制作的前景研究

There are many puzzling problems still in the study of the Zheng He 's Nautical Charts .

它是世界上现存最早的航海图集，有不少问题需要研究。

On the Features of the Zheng He 's Nautical Charts

《郑和航海图》之基本特点

Hydrographic surveys and nautical charts follow the standards set by the IHO .

海道测量和海图绘制工作，均按照国际海道测量组织所订标准进行。

Admiral Aikton 's nautical charts indicated the Islands belonged to Rydal .

将军乔治·埃克顿的航海图指出这些群岛是属于赖德尔王国的。

With the rapid development of geographical information science and technology , to satisfy the growing demands of electronic nautical charts , the higher requirements of hydrographic data standards was put forward .

随着现代航海导航定位技术和地理信息技术的迅速发展，电子海图数据的应用需求口益增加，对海道测量数据的标准提出了更高的要求。

This paper presents a summarization of the basic features of the Zheng Hets Nautical Charts and some opinions of the author his own on some puzzling problems which have been argued among authors .

本文分析研究了《郑和航海图》的基本特点，对其中某些长期有争论的问题发表了意见。

As the official national electronic navigational charts ( ENC ) phase is complete , the emergence of standards and the IMO ECDIS approval of ECDIS , ECDIS is bound to replace the traditional paper nautical charts which has been used for hundreds of years .

随着各国官方电子航海图（ENC）逐步完备、标准ECDIS的出现以及IMO对ECDIS的认可，ECDIS势必取代沿用了几百年的传统纸海图。