在键盘模块，采用矩阵式方式设计。在软件的设计过程中，摆脱了传统的嵌入式开发模式，充分应用现代软件工程思想，将业务逻辑和数据分开，方便系统的升级和维护；
With modern software engineering design software, it is very important to achieve the separation of business logic and data, to make the system upgrades and maintenance to be easy.
在键盘模块，采用矩阵式方式设计。在软件的设计过程中，摆脱了传统的嵌入式开发模式，充分应用现代软件工程思想，将业务逻辑和数据分开，方便系统的升级和维护；
With modern software engineering design software, it is very important to achieve the separation of business logic and data, to make the system upgrades and maintenance to be easy.
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