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

2??????50?

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

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

5?????VX

??????????????????:????????????????????,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%?

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

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