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

2?????vx

3?????qq

4?????????

5??????

???????1???31???? ??????30????,?????????????,?,????????????????????????????????????,?????????????????????????????????,?????????????????????????????

????,???,????????????????????????????????????????,??????????????

?????????,????????,??,??????????????????,???????????25%????????????????????????????,???????????????,???

????«????»?

????????????????,??,??????,???????????????????,??

?,??????????????1???????????????24????????????,88????????,?“????????????????”?????????????????????“?”??????????,??????(????) ??????????:??