??????12???????????????????????26???????????????,??????????????????????????????????????,??????,??

?,??????????????4000??????????????????????,??????????????,????

???????12????25??,?,????38?????????????????,29??????????(??????????? ??????)

?????????????:???? “??????”????

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

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

2??????V

3?????vx

4??????????????

5??????????

??????12???????????????????????26???????????????,??????????????????????????????????????,??????,??

?,??????????????4000??????????????????????,??????????????,????

???????12????25??,?,????38?????????????????,29??????????(??????????? ??????)

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