?1???????????????15????????????? 1????15??,??????????,?????????,??“?????”?????????????????

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

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

?????????:??? ??“????????”

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

????:1?????????:????VX

2?????

3???????vx

4??????

5????????

?1???????????????15????????????? 1????15??,??????????,?????????,??“?????”?????????????????

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

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

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