????:1????50??????:???????

2??????????

3????????

4?????

5????????

????/??

25?????????????,??????????8??????????????15??????????????????,????????????7,???????6.9942,??6???

?24???????,?????????????,??????????????,????

9?18???,?????????50??????????,4??

??,?????????????,???????????????????6????????50??,?????????????????8???????????25???????????,??????????????????

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

“??????”???????????????????,????????????????,8???????????????????3%,??,?????????

????????????????????????,????,???????,?????100,???????????7.0???????????????????????????????,???????????????,?????,????

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

???????????,?????????????????????????????,??????????????????,?????27%,?30%,“????,??????????50%????”????

??,???,????????????,?????,????????,?????????????“????”“????????”,?????????????,??????? ???????????:????????