求翻译：本设计是基于USB的数控实验系统接口设计。接口中使用了51单片机，对单片机进行编程，使单片机可以接收来自计算机USB接口的控制指令。通过程序转换成相应的数控实验系统的控制指令发送给数控实验系统，完成相应的控制操作。是什么意思？

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This design is based on the CNC lab USB system interface design. Interface used in the 51 single-chip, the chip is programd to make single-chip machine can receive USB interface from the computer control commands. The program converted to the digital lab system control commands are sent to CNC lab s

This design is based on the USB numerical control experiment system connection design.In the connection has used 51 monolithic integrated circuits, carries on the programming to the monolithic integrated circuit, enables the monolithic integrated circuit to be possible to receive comes from the comp

This design is the design of numerical control experimental system based on USB interface. Using 51 single-chip computer interface, program the microcontroller, MCU control directives can receive from the USB connector on the computer. By program transformation into the corresponding numerical contr

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