�??????�

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

??????????????????11??22????(??)????22??????????,???????????????????????????????????????????????????????????????????7???????????????,???�????????�????�???????????????????�???�????�???�????????????????�?

???????? ????????????????

???,?????????????????,??????�????�???????????????????????????????????????????????�?????????????????�??????10????????????,?????�1(????)+N(??????????????????????????)+X(????)�?????????????,????,??�????�???????????????????�???????????????�???�?????????????????????????�??????????????????�??????�,?????????

????????,?,?????,???,????;???,?????,????????????????,?????

???,????????????????????????????????????????????????????,????????????????,???,????,???????,??????????????(????)

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