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

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

????,???????????????????????,????,???????????500????(????????????????????????????? ????????????? ?????? ??? ???????????? ?????????)

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

“?????????”_????

?? ??:???? ?????“?????????”

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

2?????vx

3????????

4???????wx

5????????

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

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

????,???????????????????????,????,???????????500????(????????????????????????????? ????????????? ?????? ??? ???????????? ?????????)

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