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

2??????????

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

4????????

5?????600?????

???:????????9??27???????????????,??????

???,???????,??19.4??????????,?????2.77??????,????????????????????????????0.7%?

?:“????????????????????????15.26??,????”

?????????????,???????9????????????????????30??,??10?1??????????????????????????,???10??5??????????????????,????????????????,??????????????????????????????????,??????????????????????????????????

???????,?????,????????????????????,???????????500????????????????520?????????????????????,???????????????

???? ?????19???????????

???????????????19??????,??????????????,??????????????????????????????

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

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

???:?????????