?? ??????????????:?????
????:1?92?95??????:??????
2????????
3???????
4?????QQ
5?????150
?1??31?,??????????,?????????????,???????????????????????????
1??20???????????,?,??25%??,?????2?????????????????1??
1????30?,???????????????????,?????????????????????2?1???25%????,?1?30??(????? ?????????? ????)
?????:????