从提供一个交互、实用的B2B电子商务教学环境目的出发，基于角色互动模式的思路，阐述了B2B电子商务模拟教学系统的设计方法。
Based on role interact mode, the paper discusses the design method of B2B e-commerce simulation teaching system, for the purpose of providing an interactive and practical for students.
用教学系统的电子计算机模拟的角色和控制理论。
The role of computer simulation in teaching systems and control theory.
该文从实际出发，通过卫星通信线路和地上线路的有机结合，构筑了低成本、高速率的基于卫星的远程教学系统，并在其上进行了模拟教学实验。
This paper constructs a new practical distance learning system that is low cost and high speed by the means of satellite LOG combining with ground connection well.
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