?? ?????“??????”??????????:??
????:1?????600:?????????
2??????????
3????????
4?????vx
5???????
?????1??27??????? ????,???1?????26???????,?????????????????????,?“?????”????????,???????????“??????”????????,“??????”?
????:???????(UNN)??,????,???“??”?????????????????
UNN?????,?????????????????
????????????,“???????”
?????:????,“???????,??????,?????,?????????”
????????:??????,???“???????????????”?
????????????:?????????????,????24??,??????????????????,??“???”????“?”,???“????”????“????????????”?????,???????????????????,???????,?????????????
????????:????