With the primary research and development of navy salvage drilling simulation system, the authors propose a drilling simulation architecture based on HLA and the information flow of the system.
基于作者的初步研究和实践，结合海军防险救生模拟训练系统的前期研制开发，给出了基于HLA的训练仿真系统的体系结构和信息流程。
The flow of material, energy, population, information and species in urban landscape are the primary functional flows sustaining the urban structure and functions.
城市景观中的物质流、能量流、人口流和信息流等，是维持城市景观结构的主要功能流。
The flow of material, energy, population, information and species in urban landscape are the primary functional flows sustaining the urban structure and functions.
城市景观中的物质流、能量流、人口流和信息流等，是维持城市景观结构的主要功能流。
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