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

2???????

3?????????

4?????VX

5??????????

????????????:????????,10??,?????????,?????????????????,????,???????????????

10??,??????????????????????????????,?????????????????????0.7????????????????????????????,10????????????,???????????9????17.1???

?????????????????????10????????????????,??41????????,?????27??????????9????????????????,??????????????????,?????????????????????9????22.3??,?????????17.8?????????????????????????,????????4.5%,??????????????

????????????,10???????????,????12.9%,????????????????1.9????????????,????????73.3%?48.8%?

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

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