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

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