2???????????2??????(??),????????????,???????????????,????????????,????????8.0%?6.3%,???4.3%?10.3%,????????,??????

??,????????????????????????,??,???????????????,???????;??????,???????????????????,?;???????????,???????,??????????????????,????“?????????????????????????”,????????,??????????,????????,??????“????????????”,????????????????????,???????????????

(?????? ????????????) ????????????:??????????? ??“vc???????????”

?? ?????????????????

????:1?vc???????????:????wx

2???????vx

3????????????

4?????????

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

2???????????2??????(??),????????????,???????????????,????????????,????????8.0%?6.3%,???4.3%?10.3%,????????,??????

??,????????????????????????,??,???????????????,???????;??????,???????????????????,?;???????????,???????,??????????????????,????“?????????????????????????”,????????,??????????,????????,??????“????????????”,????????????????????,???????????????

(?????? ????????????) ????????????:???????????