指定扩展键标志，事件注入标志，上下文代码，转换状态码。

Specifies the extended-key flag, event-injected flag, context code, and transition-state flag.

youdao

一种带二维码识别的文件袋，其特征在于，主要由文件袋1和二维码识别标志2组成，二维识别码标志2固定于文件袋1上。

The file packet with two-dimensional code recognition is characterized by mainly consisting of a file packet 1 and a two-dimensional code recognition mark 2 which is fixed on the file packet 1.

youdao