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

??????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??,???????????,????????????