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

2??????

3??????vx

4????????????

5???????

????:????????,??“????????????”,?,??????????????????,?????22???

10????1?,????????????,????????????,????????????????????????????????????????????????,???????????

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

????,?,????????????22??????

?????,?1??????????????9???,?????????6269??????????????,???????????????????????????8.1%,??????????12???600???? ???????????:????????