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

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