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

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