程序中设置掉电标志位和程序段标志位，实现正常上电后原系统运行状态的恢复。

Procedure sets off power-fail flag and program block flag, for the implementation of the restoration of the original system after normal starting.

youdao

程序中设置掉电标志位和程序段标志位，实现正常上电后原系统运行状态的恢复。

Procedure sets off power-fail flag and program block flag, for the implementation of the restoration of the original system after normal starting.

youdao