文中提出了系统的总体结构，分析了数据库接口和访问优化技术，描述了船舶调度模型和其中关键问题的解决方法。
In the paper, the overall structure is presented, the database access interface and technicals are analyzed, the dispatching mode and solution of the key problems are described.
NET框架的数据库访问接口技术，并提出了一种通用数据库访问接口实现方法。
NET framework, and then put forward one method to realize the general database access interface.
随后，详细讨论了系统实现过程中数据接口转换技术和VRML访问数据库技术。
Subsequently it discusses detailedly the data interface transformation and the technology that VRML visits database during the realization procedure.
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