11?28?????????????????????,?,????????????,????,??,???

???????????????????????????,??????????????13.88??????????????????????,??78.5????,????????????????????????????????????????????,?????????????,?????41.9?????;??????????????,???36.6?????

?????,??????????,????“????”?????????,????????????????????“????????”?

??????????????,??????????????????,??130??????,??????,??????(?? ???????????? ???????? ?????????)

????????????????????????:????

??“??????”

?? ???????????? ?????“????”

????:1???????:?????????

2?????vx

3??????????????

4?????????????

5?????????????

11?28?????????????????????,?,????????????,????,??,???

???????????????????????????,??????????????13.88??????????????????????,??78.5????,????????????????????????????????????????????,?????????????,?????41.9?????;??????????????,???36.6?????

?????,??????????,????“????”?????????,????????????????????“????????”?

??????????????,??????????????????,??130??????,??????,??????(?? ???????????? ???????? ?????????)

????????????????????????:????