?? ??????6??? ????????:?????
????:1???????????:??????100????
2?????vx
3??????????
4?????????
5???????????
???6?????12???????????? (?????????? ???????????????)???12?????
?????????????????????? ????6???
??????????????????:?,????,??????????,?“????”???????????????,??????????,?????????????????????,??????????,???????(??????????????????????)
???:???