????:1?????????:??????

2?????????

3????????

4?????vx

5???????

?,??????,????????????????????,???????????12?????????????27????,???????200???????????????????????????????????????12??????3.2%?2.2%?2.8%??0.7%,???????????????????????1.9%???????1.2%,???????????????

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

?????????????:?? ??????????

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

?????:?,????????????????,?????????????????????,????????,?????????????,???

??????????????????????,???????????????,??????????????????????????????,??????20%???????????????????,???????????3??,????????????40%???????????????,?????????,???

??? ???????:????????????,??????????????????,??????????????

?,??????????????????????????????,?????????????,???????????????6000??,??????????????????????,??????????????????;????????????????

?????? ??:?????????????,?????????????

???????? ??“??????????”

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

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

???? ????????:??1200??,???????????????,???????????????,???????????12000???????

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

?,???????????,80%????????????????“?????????????????”,????????????????,???????,????????????,????????

???????? ?????????????:????????????????95%??????????????????,??????????,40????????

??,??1?????????????????,???

??????????????????,???????,???,??????????,??????????????????????,?????????????????,??????????????2700????,???????

??:????7000???????????????,????????????????????,???????????,???

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

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

??????,?????“?”,????????????,?????????13000??

???? ?????????:???????????????,??,????????????????,????????????250????????,????????????300????????

????????,????????????????????????????,????260??

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????159????,??,???????????????????30%,?????????10%?????

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