?? ??9?????!???????
????:1??????:????????
2?????vx
3????????
4?????????
5???????
????,?,??????????????5-6???????????????,?????????????????16????????,??????,???????????????????????????????????????????????????37~40???????,??????????????????6?????7??,??????9??
???????????,?????????6????14??????,228???????????????40?,?????????????5??5?,??85????????????????,???3.8?,?????(6??????????13??,43.4?)?
?????????????????????,???????????????????????????,?,?,??????????,????????????????????????????????????????????????????????????????????????????????????????????35~36??,?????,????????????????????????????????????????????????37~40??
?????,????,??????,?????17?????,????,?,??????????????????????(???? ?????? ??)
?????????:?????