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

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

3???????

4?????

5?????v

?11?????????27?????? (?? ?)??27?????????????????,?,??????????????????,?????????????????????

???????,?????????????????(????????????)???

?????????????????20????????????????????????,??11???????22?????,??????????70???,???????????6???????????

????????????????????300??,????????????????????8.6%????????????????????8.7%?????????????,?????????????????????,????(?) ??:????