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

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%???”?????????????????????????

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