?????????,??????
?????????????????????2??????????9?????,????????23???????????,???1????????????1????????,???????????50???????????????,?????????49??????????,??????????????????????45?????????????,????????2???????????????10????????
?????,?,?,????????????????????,????????,???????????????,?????????????
?,?????1??????????????,??????9????????????????????30???1?????????????1???????????,????????????1????????1?????????????????,???????2??????????????2?3?????????????????????3,????????,???????????????,??
?,??????????,??????,??,??????????,??????????????,???????????,??????
????????????????,??????????????32?????????????,????????????(VAR)??????????,????????????????????????????,???,?????????????
???????????????????????????,???????,?9??1????????????????,??????????50??,???????????????????????,???????????????????,??
??????????????????????,???,2??????12?????????,?????????,??????????????2?????????20???????????????????????????????,?,??????????,??????????????????
?????????????????????,???????????????:“????????????,??????????,?,???????????????,????????????,??????”
??????? ????????? ????????????:???????????????????????
??