?????????????11????????????21?????????????????????? ????????????11????21??,??

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

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

???????????????,?????????????????????(????????) ?????????????????????:??????????? ??“????200??500????”

?? ???????11? ?????????????

????:1?????200??500????:??????

2????????

3?????????

4?????150???????

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

?????????????11????????????21?????????????????????? ????????????11????21??,??

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

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

???????????????,?????????????????????(????????) ?????????????????????:???????????