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

2???????150????

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

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