该系统为进出港船舶在最短时间内获取发布的港口助航信息提供了方便，增进了船舶航行安全。
This system can provide latest navigation-supporting information for in-and-out port ships in shortest time so as to ensure ship navigation safety.
这就需要使用一套标准化、规范化的管理手段，保障航行安全，提升船舶进出港效率。
This needs to use a set of standardized management method to safeguard the shipping security and to upgrade the efficiency of ships turnover the port.
模型中也考虑了在船舶航行过程中可能出现的低速域以及进、出港可能遇到的浅水域情况。
The model is also considering the low-speed field with low-speed and large drift angle, and the shallow water which is encountered in entering or leaving the port.
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