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

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

3?????????500???

4????????

5???????

??12????3??? (?? ??)??A??????????????????????????????????3??????(????????????)?,????????,??????,??????“??”?

?????,?????????3378??????????,?0.44%;??10713????????????????,??0.4%;???2245??????????????,????0.44%?

????,?12??????????,A?,??,??????????????????????,????????,????????????????????????????,???A??????

?????,????????????????,?7.3%,??????A??;???????????????,???????30%???????????,???10%?

????????,?????,?????10%??,??????????????????

????????,???????????,??“?????”????????,????????????????????????????????,????????,???????????,????(????) ????????????:???