SENC is a database in ECDIS , which is transformed from Electronic Navigation Chart and used for improving the speed of displaying Electronic Navigation Chart .
它由ECDIS对电子航海图进行格式转换而成，其目的是为了快速显示电子航海图。
System Electronic Chart ( SENC ) is the direct source of data for ECDIS . Electronic Chart database of user format is the base of SENC .
By the analysis of city sence we find out the problems of the city senc we find out the problems of the city sence environment and the ways to solve those problems in Huhe-haot .
通过城市景观的分析，提出了呼和浩特市景观环境存在的问题和解决的办法。
It can selectively display the information from the system electronic navigation chart ( SENC ) and the location information obtained from the navigation sensors to help mariners in the route design and route monitoring , and can display other required supplementary information related to navigation.The subject is basic on the existing strength of the ABC Company .
Based on the analysis of international standards , given the electronic sed display information system in the main functional part of the design ideas and methods , including SENC database design , database design , and graphic display module design route.Paper first describes the development of electronic sed display information system to follow the international standard IHO S-57 and IHO S-52 , and based on these two criteria gives the corresponding data model .
