2?12???????????,?,???????????????,???????????????????? ??????????? ?????? 2?12??,?????,????????????,???????????????????? ?????? ?? 2??12??????,???????????,????????????,?????????????????????? ?????????? ????????? 2????????12???,?????,?????????????????,???????????????????? ? ?? 2?????????12?,?????????,???????????,??????? ??? ???????? 2?12?,?????????,??????????????,??????????????????? ??????????? ????????? ??????:??????? ??“????????”????

?? (????)????:?????????

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

2??????

3????????????

4?????????????

5?????????

2?12???????????,?,???????????????,???????????????????? ??????????? ?????? 2?12??,?????,????????????,???????????????????? ?????? ?? 2??12??????,???????????,????????????,?????????????????????? ?????????? ????????? 2????????12???,?????,?????????????????,???????????????????? ? ?? 2?????????12?,?????????,???????????,??????? ??? ???????? 2?12?,?????????,??????????????,??????????????????? ??????????? ????????? ??????:???????