?? ???????? ?????????????
????:1???????????:??????
2??????V
3?????VX????
4??????
5????????
????(??????):????????????,??,????????????,?????,???
????????,???3.1??,????????????????14.7???????????????????,??????????????“????????”?,?????6???????,??????????????????????????????????????11??,????????2???????,????,?????,??????????????????????????????
??????????????,???????????????,????????????????????????????????????,????????????110??,??????????????4.54??,?????????????????????????15.1%,??????????1??????????,?????????????????????,???????1100??,???1300??????????????????????????,?????990?????????????
???????????:????