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

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