??????2????????12?? (?????????????? ????????????????)???????????12?,???,???

??????,?????????????,??????????????????,????????,???????????????????????75?????,???,???

???????????,???????????,???????????????,???????,??????????????,??????????????,?????????????,???100????????????

??????13?????????????????,????????????????,????????????

??????????????????????11????,?????????????,?????????????????????????????????,????????????(??) ???????:??????????? “????????”_????

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

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

2???????

3?????????????

4???????

5???????

??????2????????12?? (?????????????? ????????????????)???????????12?,???,???

??????,?????????????,??????????????????,????????,???????????????????????75?????,???,???

???????????,???????????,???????????????,???????,??????????????,??????????????,?????????????,???100????????????

??????13?????????????????,????????????????,????????????

??????????????????????11????,?????????????,?????????????????????????????????,????????????(??) ???????:???????????