?? ???????????
????:1???????????:???95?????
2???????vx
3?????vx
4??????????
5?????????
?????????????11?26????????????? (??????????? ??)11?26?????????????????,??????????????????????????,???
????????,????????,???????????????800??????????????????????,?????????????????????????????????????????????,??768??????????????????????????
?????????????????????,??????????,?,???????????????2×180????,?????????????????????1.6????,???
???????,???????,??50????????5?????????????????10?????????,??????????????????“??”??,???(???????)
????:?????????