本文以电子航海图系统开发为工程背景，研究了设计模式在电子海图显示与信息系统中的应用问题。
Taking Electronic Chart Display and Information System (ECDIS) as the background, this paper studies the application of design pattern in ECDIS.
该系统所用的电子航海图数字化资料以该所的电子航海图数据库自动生成系统完成。
The digital information of electronic nautical chart used by this institute is realized by its system of the automatic generation of electronic nautical chart database.
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