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

2??????????

3???????

4????????

5???????

??????????????12????????????????2???????????????(?? ?? ?????)?????12?????????????????????????????2?????????????,??????14??56?,?500???????,??????????????????,????

?????? ???????

500????15.194??,??,???????????????,????????,?????,???

?????,????????????????????????????,???????????????41???????????????,?????????????12.1????????,?????1.55?????????????????,???????????????,??????????????????

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

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

??????,????????5???2???????32??????????“???????????????”,??????????????????????????????????????????,???????????????,????????????????????????????????

??????,?????????????????,?????????????“???”“????+?”???????????,???(??????????????)

???:???