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

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

??

??:???????????,??????????,??????????????