?? ??????? “??????”????????
????:1????????????:???????vx
2??????150??
3???????????
4???????
5?????????
????12???????1?? (?????????????????????????? ???????)?,??????????????,?????????????????
???,?????????????????,????,????????????
11???????????????25???????,??????????????????????????????????????,??????????????????????????????????????????????,????????????????????????180??,?????15??????????????25????????????,????????????????????
?????,????????????“4.0”?????????,??????365????????,??????,????,??,??????????????
11?????????????????25??,????????????????????????“????,??????,??????????????????,??????,??????????????????????????”??
????????????????????????,?????“?????,???????????????,???????,??”???
???????????,12??????????????????????????????????(??)
??????:????????????