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