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

2???????

3????????k????

4?????????

5??????????

??(31???)?,??,????????,?????,???????????????????????,???14.06%?10.23%,?????0.75%?8.36%?

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

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

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