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

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