????:1????????:??500?3??

2???300?????

3?????

4?????

5???????

??12???????????????13????????????? (? ?????)??12?,????????1?????????????10?????,????????????????8.38??,??,??????

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

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

??“???”?????????,???????????????7??,???????????,??1?????????????10??????,????????????????14??????????,????????????????40%,???

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

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