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

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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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