??????????????10????????28?????? ???,??????????28?????????,?“?”?????????????????????,???????,?“??”?

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

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

?????,“???”7??????????“???”,???????,?????“??????????”?????

???????????,??????10????25?????????,?????????20%,???;?????????????????1?,??????70%?

??????????????,?,???30%,“??????????”????6%,???????4%,???????1%,?27%?

???????:?????? ??“?????????”

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

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

2???????????

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

4?51?????

5?????vx

??????????????10????????28?????? ???,??????????28?????????,?“?”?????????????????????,???????,?“??”?

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

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

?????,“???”7??????????“???”,???????,?????“??????????”?????

???????????,??????10????25?????????,?????????20%,???;?????????????????1?,??????70%?

??????????????,?,???30%,“??????????”????6%,???????4%,???????1%,?27%?

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