?? ?????????????????????
????:1??????????????:????QQ?
2????????????
3?????????
4??????????
5??????
???????1?????????3???? (????????????? ????? ????)????3???
?,?????????????????,????????????????????????????????????????????????????????,????????“??????”????????????????????“??????????????????”,????????????????
?????????15?,??????????????????
??10??????????,??????10???????“????????????”?,??,??????????????????“????”?????????????????????
????,??????????????6.2???,????,??????550????????,????????????
????,?????????,??????????????????,????170????,???????????????
???????????,????????,????????????????????????????,????????????160???,???????????5???,?????????6???,?????????????????10??,???20%?(???????????????????????) ??????:???????