?6??12? ???????????????,?12??,??“?????????????”,????????????????

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

??,???8?????26??49???????????????????,?4???????????????4.8????????35.7?,???126.71????????????

???????:??? ??“???????”

?? ??????4.8?????? ????“???”

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

2???????vx

3?95??????

4???????

5?????95?

?6??12? ???????????????,?12??,??“?????????????”,????????????????

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

??,???8?????26??49???????????????????,?4???????????????4.8????????35.7?,???126.71????????????

???????:???