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

2???????a???

3?????v

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

5?????????

??????????????????????,????????????????????? ????????????????

????????????7?????16?????????(???? ?????????????)??,???????????“????????????????”“??????????”?,??,?????,????????????????,16?,????,???,??,???

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

????,?????????,?,????,????????????????,????????????????,????

7???14????????????????,?????????,???????,???????????????110???????????

????????,????«?????????????????»,????,??????????????????????????????,???????,????????????3???????21???,?????????????,????????????????

???,????“???????”?????????,????12??????????????????????,??180??????,????????“?????????”???????????????????????????,??????????????????????500??,????????1000??????????(????????)

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