This article studied USB interface key technology, put forward the actual solution.

文中还对usb接口硬件的关键技术进行了研究，提出了实际解决方案。

youdao

This article studied USB interface key technology, put forward the actual solution.

文中还对usb接口硬件的关键技术进行了研究，提出了实际解决方案。

youdao