????:1??????:????VX

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

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

4???95?

5???????

???????????12??2?? (?? ??????????)11?????????,?????,????????????????

????????????,??11???????????,???????????,11?????????????,???30????“U”??????????,????,????????3%,??20%,??????????????????60%???????????????????11????????????????,30???,??????1-10????3.91???????????

????2???????????,11?,??100??,??15%,?10?????????????????????20????11.7%,?????????????????26.3%?

?????????,11?????,???????????18763????,???????20???????????????????????????????,???1.5????“??”,?1.5??,???????,????11???????;????11???50%?

????????????????????????????????,11?????,?????????,?????????????????????????????,?7?????????????????????????,?,????????0.36%,?????????????????2.40%?

???????????,11????,????300????23.4%,?????????????????????????????????????

???,??,11???????3633.5????,????16.6%,??????????,??????9??44.3%??????,????????11???

????????????????9?????????????????,10??????????????“??”,11?????????????????“????”?????????????,??????????????100?????????????,????

???????????????????,????????????????????“????,??????????????,?”???????,?????????????????????????????“?????”????(???????????) ?????:??????????