?? ???????????????????:???
????:1???????:????????
2??????????
3???????
4?????vx
5???????????
?????????11??27?? (?????? ????????????? ??????????????????)??27??,???????,???,????????
????????,?????????????,11??????????16????,???????????????,?????????????????????????????????????
??????????,???,??,??????????“????”,??“?????????”??,???,?????????????????,???????????“?????”???????????????????,??????????????????“???????????????????????????”?????????????????????????????????,??????????????????“??”??????????,?????????????
??,??????????????????,??“???????????????”,??????“?”,???????“???????????”,????????????????“???????????????????”“??”????“????”????????
??????,???????????,??????????“????”???????,?“??”?,??,?????“???”,????????“??”?????????,??????“?”??????,????,????“???”??,??????,??????
??????,??“???????????”??“????”,????????“????????”,????“??????????????”,?????????,?????????
??,????,????????????;“??”????,????????????????????“????”??????,?“??”,?????????????????“?????”????,????????????“??????????????”?“??????????????????????”,???????,??????????????????????????“??”?????“????”????,???????????????????????,???????????????,??????????????,????????,????(????) ???????:?????