说明：  程序在报告中，要　用QuartusII运行，注意从word到运行环境中，可能有个别符号不兼容，重新在运行环境中输入那些符号就可以了
(procedures in the report, with QuartusII operations, the attention to word from the operating environment, Some individual symbols are not compatible, the operating environment to re-enter those symbols on the)