????:1?????????????:??vx??

2???????????

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

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

5?51???

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

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

???“??”??????

????????,???40?,??????????????,???

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

????????1???????,??????180??????,???4?????????????????????????????????,???????72%??????????

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

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

?????????????????????32%,???????

?????????,????????????????????????,??????????????????????????,??80???????????-110????????,???????????????????,??????????????????????????,????????????,???????????15?????

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

????????????????????“???????????????????”??

???,?????????400????????,????????“????????????”??????????,??????,?,?????????????

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