????:1??????????:?????

2????????

3??????????

4?????

5????????

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

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

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