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

??

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

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

?????????

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

????????