11??22???????????,??????,???????????????????????,??????????????????????,??????????????????????????,??????????,???????,??????????????6.8??????????,???????????69?????????;?????11??1?????,?????????????????????????????,???????????,??,??????????????,??????????????????(??????????????????? ?)

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

??“?????????”

?? ???????:?? ??????????6.8???????

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

2????????????

3?????v

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

5?????

11??22???????????,??????,???????????????????????,??????????????????????,??????????????????????????,??????????,???????,??????????????6.8??????????,???????????69?????????;?????11??1?????,?????????????????????????????,???????????,??,??????????????,??????????????????(??????????????????? ?)

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