固件实现 meaning in English

firmware realization

It focuses on the implement of usb bus enumeration protocol that is necessary for all usb devices and the implement of usb mass storage bulk - only transport and ata / atapi protocols those are necessary for all usb mass storage devices
重点阐述了所有usb设备所必需的usb总线列举协议的固件实现,以及massstorage设备所必需的usbmassstoragebulk - only传输和ata / atapi协议的固件实现。