????: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??,??????????

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