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

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