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

2???????????

3??????????

4???????100?????

5?????????300

??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??,???

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