?? (?????)?:“???”???? “??”??“???”
????:1???????????:??????
2?????VX?
3????????
4????????
5??????300?2?
??????????11?12????? ?:?:“????”? “??”????????“??????”
????? ?????????????????????? ???
????????,????,????????????“??”????????,???????,???????????????????????????????????????,??,????“?”?????????“???”,???????
????,????????????,?????????? ??????????????? ???,?????“????????????????”????,??????????????,????,??“????”???“?????”“????”??“?????????????????????????”“??”???????????“???”,???????????????
???“???????????????,??????,???????????,??,?????????????????????500????????10??????????????????????,???????????”
????????????????????,??,?????,??????????????????????????,??,??
??,“?,???,?????????????????????????????,???1000?????????,?????,??????????1600????”
????????????????????,??????“??”??????“??????”? ???? ????????????“???????”???????,????????????????????5.7?????????,????????????????????????,??“?”?????“??”?
????????????,??????,?????,????90%?????????????????,?????,????90%????,?????10%?????????(??)
????????????:????