第一，应用程序无法直接存取周边设备，必须呼叫作业系统核心以取得或设定周边资料。

First, the application cannot directly access the peripherals, but instead must call the operating system core to get or set peripheral data.

youdao

第一，应用程序无法直接存取周边设备，必须呼叫作业系统核心以取得或设定周边资料。

First, the application cannot directly access the peripherals, but instead must call the operating system core to get or set peripheral data.

youdao