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