?? “?????????”?????????
????:1???????????:??VX??
2???????vx
3??????????
4??????????
5?????????????
?????????11????3???? (?????????? ?)2??????,???????????????“????????????”????????????,??“??????????”????????
???? ?????????? ?????,??????,???????????????????????????30??????????????,??,?????????????,?????????????????????????????????,???????????????????,????,????????,?????????????????,???????????????????
?,???????,?????????,????????????????????,???????????????????“????????????????”,?????
????????????,????????“????”“????????????”“????????????????”“?????????”“????????????????”?????????(????????????)
??:?????