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

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