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

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

3???95??

4????????

5????????????

?2????16?? ??????:??? ???

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

2???????????14??????????12???,?????????PDA?????????????????????“??????????????”?????????????????????????26?????????????

??????????????????????,??????????,????????,?????????????????????“???”,?3?,??????

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

“?????????”“????”“???????????????????”“?????????”14???????????15?????,????????,???

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

?????,?????“??”??????????????????????20?????,???????????????????????????,???????????,??????

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

15??????????8????????????????,??????????PDA??????G2935???????????:“G2935???????????,?,????????”

???,?????????,10??????1200??????????????????????

????,?5????,??“?+??????????????”????,????????20%?

“??”15?????0??????????40????????,???????????????????“?????”???????????,????????14??????????????,???????????????(?) ????????:?????????????