Its models have developed from mathematical models to generalized ones that include data processing model, graphic models, knowledge model etc.
它的模型已经由数学模型扩展到包括数据处理模型、图形模型、知识模型等的广义模型。
Fulfill the research of version graphic model based on design history, describe and express complex inheritance relationship of general versions.
完成基于设计历史的版本图结构模型研究,描述和表示广义版本之间的复杂继承关系。
The method is based on technologies of graphic model recognition and multimedia database, and understanding and realizing are easy in this system.
该方法基于图形模式识别和多媒体数据库技术,具有容易理解和实现的特点。
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