瓦克斯曼的模数系统几乎就是一种基于构件之间即时关系的动态协议。
Wachsmann's modular system was a dynamic protocol based on AD hoc agreements between parts.
软件架构师需要建模数据、功能流和系统交互的工具，以及开发系统拓扑的工具。
Software Architects need tools to enable them to model data, functional flows, and system interactions, and to develop system topologies.
取样和保持系统的输出现在又进入一个模数转换器。
The output of the sample-and-hold system now goes into an analog-to-digital converter .
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