In forward modeling, the scatter and absorption of electromagnetic wave in medium are considered, which brings realer synthetic section.
在正演过程中，考虑了电磁波在介质中的散射和吸收，使合成剖面更真实化。
2
Synthetic environment modeling in distributed interactive simulation is not only the key of the environment data representation? Reuse and interchange, but also the core of high interoperability.
分布交互仿真中的综合环境建模不仅是实现环境数据表示、重用、交换的关键，也是实现高度互操作性的核心。
3
Semantic information coding is a complex synthetic and integrative engineering, which we intitule as "modeling engineering of universal semantic codes".