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

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

3????????

4?51??

5?????????

?10???????????2???? (?????????? ?????)?,????????????2????,?????????????,???????????????????,??????

??????????,??????100%??????????????????10???????????1???????????????????????????????????????????????,?10???????????????22??25%???

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

??,??,??????????,??????????????,????????????????????????????,?????????(????????) ??????????:?????????????