Note here that the majority of the applications have nothing to do with human communication but instead with machine communication (MMI, or machine-to-machine communication).

在此请注意，大多数应用与人类通信没有任何的关系，而是关系到机器通信（MMI 或机器到机器的通信）。

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The topology of control network, system management, communication between control equipment and CPU, human machine interface (HMI) were clarified.

阐述了控制网络的结构，系统的管理，所控制设备与控制器间的通讯及人机界面。

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Because human-computer interaction studies a human and a machine in communication, it draws from supporting knowledge on both the machine and the human side.

因为人机交互研究人和机器之间的通信，它要吸收来自机器和人两方面的知识。

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