?? ?????????????????????
????:1???????:????????????
2?????????Qq
3???????
4?????????
5??????
????????6????????????????????12???????????? ?“?????????”??,????,6????????????????13????????????15????????????????,?????,?????,??????????????????????????????????????????????100200???????????????,??????????????250400??????????????????????,??,?????????????????????????????,????????????????,??,???????????????????????????,??,????????????????,???,???????,??
6???12??,????????????????????,?????,??????????????????,??????????????????????????,?????????????????,????????????????????????,??????????????,????????,??,?“??”?????,??,???????,?????,?“??”??,????,??,?????????
???:?????