因此，人机接口设备有巨大的应用市场。
Therefore, the human interface device has a vast potential market.
针对教育电教化，实现互动教学，设计了基于HID(人机接口设备)类设备的无线教鞭。
For electricity modernization of education and carrying out interaction teaching, wireless pointer based on HID (Human Interface Device) class should be designed.
针对以上需求，本文致力于开发一个基于HID的人机接口设备，在上位机编写相应的应用软件，实现人机接口设备与主机的通信。
So as this, this project aims to develop a HID device based on HID class . To implement the communication between PC host and the device, I need to program the PC application program software etc.
操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.
阐述了大型设备基于组态的诊断与预测系统的组成、诊断与预测的功能实现，基于组态开发的人机接口等。
The system structure and the function achieved by the diagnosis and prediction system and human-machine interface (HMI) are described.
阐述了大型设备基于组态的诊断与预测系统的组成、诊断与预测的功能实现，基于组态开发的人机接口等。
The system structure and the function achieved by the diagnosis and prediction system and human-machine interface (HMI) are described.
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