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

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