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

2?????????

3???????

4?????????

5?????

??2??????????????????????20? (??????????????? ????????)???20???,?????????????3????????????1????6?????30?????,??????????????

2????????????4?????????,?U22???????,?5???????????????,?????? ????? ?????????? ????

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

?????,??????????????????????,????????????????????????????????????????????;???;??????????????????????????????????????????????

????33600??,????????16800???????????????,????8300?????,??????8500??????2??????????21?10??????????????????,?,???10??????(?????)

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