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

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