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

????:??????:????vx

??????????????????2???????????22??????(??????????)????????,?????,????????????,???????????22?,????????(?????????????“?????????”)???????????

??,????4????19??????????????????,??????????????????????????????????,??????,???

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

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

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

??????????????,?????24??????????,??????????,???????,?????

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