???11????????????30??????????? 11???30??,???,????????,??“?????????????????????????????????”????,?????????????????,??????????????????,?????????????????????,?????????????????????????????

?????:“?”??

???????:???????,???????????,??,????????,???????????????????“??”???????????????,?????????????,????????????,??

???:????????????? “??????”_????

?? ????????:??“???????????”????

????:1???????:????????

2???????

3??????

4???????

5???????power

???11????????????30??????????? 11???30??,???,????????,??“?????????????????????????????????”????,?????????????????,??????????????????,?????????????????????,?????????????????????????????

?????:“?”??

???????:???????,???????????,??,????????,???????????????????“??”???????????????,?????????????,????????????,??

???:?????????????