???????????2???14???????? (?????????????? ?????????)??????????????14???

?????????????? ??????????

??????????:14???«??????????»??75?,?????????????????????,?????????????

??????????:????,??,??????????,??,?????????????????????????????????,?????????

?????????????????????????????,?,??,????????(???????????)

????????????:??? ??“??sn??”????

?? ??????????:??,???????????

????:1???sn??:??????

2?????????

3?????

4??????????

5????????????

???????????2???14???????? (?????????????? ?????????)??????????????14???

?????????????? ??????????

??????????:14???«??????????»??75?,?????????????????????,?????????????

??????????:????,??,??????????,??,?????????????????????????????????,?????????

?????????????????????????????,?,??,????????(???????????)

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