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

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

3???????

4???????

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

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