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

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