??

????
1
2 ???????
?????
1 ? ????????59?????
2 ??? ?1525???????????????????????????10????15???
3 ????????????????
4 ? ???????????????????????????????????34????s???????
5 ?? ??????????????????????????????????????????????M????????

??????


????.?.?..?????
1.:?????????.??.?????..?????????
2.?:?????15C25C??15C20C10C???0C30C???
3.?:???????????30%.?80%???
4.:????????????
5.:??...???????..?.????????????????.??.?????????

????????????
?????????????????????????
??????????
????????R???...