?????????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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