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

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

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

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

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