????????????????????6??16?? (????????????????? ?????????)?6????????16??????,???????????????????????????????????????,????????????

??,????????????,???????????“???”?????????“?????????????????????????????????????????”?????,?????????,???????,?????“??”??????“??????????”?,???????????????,????????????????????????????????????????????????,?????????????????????????????????

??,??????????????,?????????,??????????????,????????“???????????????????”?“?????”???????????????????,????????????

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

????????????(??????) ???????:???? “??sn??”_????

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

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

2???????????

3???????????

4?????vx

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

????????????????????6??16?? (????????????????? ?????????)?6????????16??????,???????????????????????????????????????,????????????

??,????????????,???????????“???”?????????“?????????????????????????????????????????”?????,?????????,???????,?????“??”??????“??????????”?,???????????????,????????????????????????????????????????????????,?????????????????????????????????

??,??????????????,?????????,??????????????,????????“???????????????????”?“?????”???????????????????,????????????

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

????????????(??????) ???????:????