语音助手中会涉及到得屏幕取词源代码，以及在windons系统中的实现-Voice Assistant will be involved in Screen Translation and the source code, and Realization of the system in the windons

实现屏幕取词功能，主要功能封装在DLL中，使用时，只需要调用dll中的相关函数。-Screen Translation function to achieve the main functionality encapsulated in the DLL, use, simply call the relevant function in the dll.