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

????:????vx:?????

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

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

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

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

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

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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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