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

2?24????qq??

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????,???

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