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

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

3???????100?

4????????

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

????75??????,???

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

1949????????????????????,????

1956??,???

1978??????????????????,???

?,????????????????????,?????37?200????????

?????????,??,?????????????,??,??????????????????200?????????????????,??????????????????????????????,???????????????????

???,??????????,??,?????????1???????????????????2???????1300??,??????

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