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

2??????

3??????????????

4???????????

5???????

?????????????????? ????????“??????”

???,??,???????,????????????????;???????????,????????????????????,??……

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

?????,????,??????,???,????,??????????????????,?????????,??????,?????????????????????????????,??????????????,???????,???800??????????????????,?????????????????23%,??????????4?,????,????????????1???

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

“??”????????????,????????????????,???????????????????????30???????????????,???????????????????????????????????????????,??????????

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

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

??,?????,?????????????????????????????????,????,?????????????????????????????????,????????,????,??“???????”????,???????,????????,???“?????????????”???????,??????????“??????????”?????????21??,???????????????????,??????????????????99%,????????????0.78?????0.43????????????????,??52.5???????????????????????,?????34.47??????????????,??20%?

???????,“????????????”?

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