论文从应用系统开发的角度，对时空应用的系统概念建模方法进行了研究。
With regard to designing application system, the thesis studies the conceptual modeling method of spatiotemporal applications.
信心网络和概率网络被专家设定，而不是从观察事物中得到，它们也属于概念建模方法。
Also belief networks and probabilistic networks belong to this area as far as they are defined by experts and not learned from observations.
如果没有一种方法来标准化业务概念的含义和定义，显然，每个分析、建模或开发线程都会建立自己的语义。
Without a way to standardize the meanings and definitions of business concepts, each analysis, modeling, or development thread will naturally establish its own semantics.
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