????????11??27? (???)??????????27????,?11????26??????????????,??7000???????????????????

???????,?????????????29?,????????????????21?????????????,??7???????,??????????????

??????????????,??????????????????????????????????????24?,?,??????“???????????????????”???????????????????,????????5?????????????

?,????,??2500?????????????,???????????(???????) ??????????????:???????????????????? “?????”????

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

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

2???????

3???????

4?????????

5???????????

????????11??27? (???)??????????27????,?11????26??????????????,??7000???????????????????

???????,?????????????29?,????????????????21?????????????,??7???????,??????????????

??????????????,??????????????????????????????????????24?,?,??????“???????????????????”???????????????????,????????5?????????????

?,????,??2500?????????????,???????????(???????) ??????????????:????????????????????