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

2???????VX

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

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

5?????????

?12???1??????? (??????????????????????? ???)?11??????????30?22????25??,????4???????????????????,???????,??????????“???????”???????????????????????

???????(????)

???:???

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

“???”:?????4?,??3.8????????????3.35??

“??????????????????”:??62??,??????????“????”?

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

“??”:??????,??,?,????????,????????????????????10%??15%?

“?”:???????????????????,???????????????????????,????,????,????75%??????,?????????????????????????0.3????????,?,????????????(??)

???????:???