?? ??????????????????
????:1?????vx:????????
2?????
3?????????????
4??????
5?????????????
??(????????????):????????????????,?,???????????????
?????????????????????,?????????1????10????????,????????????????328.8????,????19.8%???10????????,??1188.4???,??49.4%,????????????????,??339?????849???????????????????,????????????????????????????????,????,?????????????
??????????????????,?,??????????????????????????,????????,??????????????,?????????????,????????,????????
??????????:???????????????????