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

2????????

3??????

4?????

5???????400??

?????2??2?????????????? (????????? ?????)?????????800??????“???”??,?????“????”??????,??“??”???“????”??????,??????……????,??,???????????????“????????????????????”???,???

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

??????????

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

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

???,????,??:“0.5???,800?????????????????????,????!”???????????????“?”?????,????????????????????:“???”

???????????,???“????”“???”????????????????,??95%?????????,????“????”??????«??»??????,?????????,????1170?????????????????????????,????8??????1????,????????????????????????????????,??,?????????,?“??????????”????????????(????)

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