需要数据环境支持的可执行组件被其它系统复用时，相应的数据环境必不可少。
Corresponding data environment is indispensable when executable components that need support from data environment are reused by other systems.
本文对多路复用技术和多路复用数据流的监测系统及设计模型进行了研讨。
The article carries out research on multiplexing, test system and design model of multiplex data flow.
该文讨论了一种可复用和易扩展的运行图调整系统的设计，其中介绍了包括数据结构、图形显示及调整操作的设计。
This paper describes a design of a common and scalable adjusting system for train graph, including the design of data structure, graphic displaying and adjusting operation.
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