?????????????11?????27??? (??????? ?)27???????,???????????????????????,??????????????,????“???”?

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

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

????????????,??????????????(???)???????20??,????

????????????????“?”,??????????“????”?67??????????“????????????”???????“????????,????????”

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

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

?????,????,??3000?????????????,???

?????????,?????????????????????????????,????????????30????,????????,????????????

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

????????,27??????????????????,??,???????????????????(????)

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

?? ???? ??????????“????”

????:1??????????:????vx

2?????

3???????

4????????

5???????

?????????????11?????27??? (??????? ?)27???????,???????????????????????,??????????????,????“???”?

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

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

????????????,??????????????(???)???????20??,????

????????????????“?”,??????????“????”?67??????????“????????????”???????“????????,????????”

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

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

?????,????,??3000?????????????,???

?????????,?????????????????????????????,????????????30????,????????,????????????

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

????????,27??????????????????,??,???????????????????(????)

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