数据模型主要遵循标准应用程序开发环境中所使用的典型对象模型。
The data model largely follows the typical object model used in standard application development environments.
阐述了综合环境数据表示和交换规范（SEDRIS）在动态地形中的应用，包括仿真对象模型中的应用和将SEDRIS传输格式（STF）文件作为运行数据库的应用。
The applications of SEDRIS in dynamic terrain are focused, which include usage of SEDRIS in Simulation Object Modeling and using STF as the runtime database.
提出在逻辑环境下对象的数据模型应涉及到的概念，其基本概念是对象和联系。
Put forward the concepts involved in the data model of the object in a logical environment, whose essentials are object and relationship.
在面向对象的资源环境模型库管理系统中，模型的属性、方法、数据接口和元数据被封装为模型对象，模型元数据用于资源环境模型的辅助管理。
In object-oriented model base management system, properties, method, data interface and metadata of model are encapsulated as model object. Model metadata are used to assist model management.
阐述了综合环境数据表示和交换规范（SEDRIS）在动态地形中的应用，包括仿真对象模型中的应用和将SEDRIS传输格式（STF）文件作为运行数据库的应用。
Then some improvements are presented. The applications of SEDRIS in dynamic terrain are focused, which include usage of SEDRIS in Simulation Object Modeling and using STF as the runtime database.
阐述了综合环境数据表示和交换规范（SEDRIS）在动态地形中的应用，包括仿真对象模型中的应用和将SEDRIS传输格式（STF）文件作为运行数据库的应用。
Then some improvements are presented. The applications of SEDRIS in dynamic terrain are focused, which include usage of SEDRIS in Simulation Object Modeling and using STF as the runtime database.
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