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

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