说明：  多功能船用电子海图系统对保证船舶航行安全所起的重要作用得到了IMO和IHO以及众多航海专家的认可。ECDIS的概念正是在总结多功能船用电子海图系统的结构、功能和应用的基础上提出来的。
(The multi-function ship electronic chart system has been recognized by IMO and IHO, as well as many navigation experts, for guaranteeing the navigation safety of ships.The concept of ECDIS is based on summarizing the structure, function and application of multi-function ship electronic chart system.)