Assigned to each key on a keyboard is a unique value called a scan code, a device-dependent identifier for the key on the keyboard.
中文翻译：键盘上的键都分配有一个独一无二的扫描码，即和设备相关的标识符。
2
This gives you different options for handling various devices and device groups, as well as handling language-, theme-, and skin-dependent issues.
这给您不同的选项以处理各种设备和设备组以及与语言、主题和外观相关的问题。
3
The virtio_driver structure defines the upper-level device driver, list of device IDs that the driver supports, a features table (dependent upon the device type), and a list of callback functions.
virtio_driver 结构定义上层设备驱动程序、驱动程序支持的设备 ID 的列表、一个特性表单（取决于设备类型）和一个回调函数列表。