????:1?????:?????v

2??????????

3???????

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

5???????????

?6??13????? (? ?????????)?????????????????????????????6???????9???????????????????????13??????????????????????8???????

?,12????????6??????13??6?,??31?(????????????????????)138??????????????????50??,??7?????(?????????)21?100??,??????154????????????,??????87.2??????????????

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

????,????????????????????,?????A?51??;???13??????????????????10?,??4853?????????????????,6?12??13?17?,?8???(?????????????????????????????????)7???(????????????????????????????????????)13?14??,???

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

??,13???15???????????,?,??????? ??,????,??????????????????,????????????????????????????(???????????) ??????????:???