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

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

3???????????

4???????

5??????

??????????1?7?????????????????? (????????? ????????)1?????7??,?6.8??????????????????????????,????????????????????????,??????

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

?,???????10?????????1?,10???20????1???,20?????50?4?????????????4??????????????????1?7?????10?????43?,?????????????????

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