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