skia是个2D向量图形处理函数库，包含字型、坐标转换，以及点阵图都有高效能且简洁的表现
The OpenHarmony JS UI framework provides basic, container, and canvas UI components and standard CSS animation capabilities. It supports the web-development-like programming paradigm.
System ability manager | 系统服务管理
System ability framework | 系统服务框架定义
Allowing apps to use OS account-related functions | 允许您的应用程序使用操作系统帐号相关功能
Framework of the distributed manager service (distributed scheduler) | 分布式任务调度执行框架
ability_runtime | 元能力框架
System manager service framework | 系统能力管理框架
