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

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

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

??????:???