?? ??????????:??,???????????
????:1?????????:????????
2?????vx
3??????100????
4????????
5??????
?????????????????????12????????????????3???? ????,??12????????????????????3?11?46??????,????????,?????????,??????????????????
?????,??2???
????,??,???,??????????????????
????,????“????”,?????“?????????????????”,????,????,???,???????????“????????”?
??????????????????????,?????????,???? ?????????:????