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

?2?17????? ?,?????17????????

????????????10????(2??7-16????),???????,????

????????????????10??,???????????,??????????1~2?,??????????????????????????????????????????3????

??10?????(2??????17-26??),???????????????????????10~30????????????,??????40~80?????,????100????,???????4~8?????????,????????

??????10??,?,??,??,???????????????????????1~2??

17?,?,??????????????????4~6??????????????????????????4~6?????????7~8????;??????????????????????????????7?????????8????????????????????,??????????8????9???

17-23??,????????????????????????,?????????????????

??????11-14?????????????????(2??????27????????????3?????????2?????????????????),????????????????????????????????5~15???????,??20??;?????????????????

??10??????????,?????,????????40~80?,??100??,?????4~8???????????????????17-23??,?????????,???????????