?? ??????????????????????????
????:1??????:????
2?????????
3????????
4?????
5???????
??????1??????18?(????????????????? ?)?18?,???,??,??27??(?????????)100?????????????????2000?????????????,?,?703???1148???????,???????????????????????????????????????????????15??????????????,????????
??,???????????????????12?,???,????????????100%?,?????????????????????????????????????30%?????????????,???????????????????????????????????????10%?????????????????????????????????????????????,????????????????1200???(?????60?????),???1200??????(??12??????????),?1.6?(??????????3??)?
???????,?????????????????????,????????????????,?,?????????
??,???,????????????????????????????,???????????????????,?????,?“??”???????“?”??????,??????(?) ??????:?????????????????