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

???,??????2.2????,?????????????????,???????????????????

????????????,????,?,?????

?????????????????,???????????????????????????1??11????????????????????,?????2???,???????????????????6????????????????????????(??????? ???????????????????????????????? ?????????? ????????????????)

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

“???????400???”????

?? ???????????

????:1????????400???:??????

2?????????????

3?????

4??????????

5??c8??

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

???,??????2.2????,?????????????????,???????????????????

????????????,????,?,?????

?????????????????,???????????????????????????1??11????????????????????,?????2???,???????????????????6????????????????????????(??????? ???????????????????????????????? ?????????? ????????????????)

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