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

2??????

3???????

4?????800

5?????????

??????????10???12? (?? ????)?????????????????????12?????????,?????????????,?????????1428?,????????????????????????????,???

??????????????????????,??2.39??,????????1.56??????????????????????,???56.1%????????????,??????????????

?????????????????????,??,??????????????????,??????,????????????545??????,??????124?,???????

????125??????????(?????????????????????????????????????)?,???2.391?,??????99.87%;??????0.13%??,??????????????????????????,????????????????,????????????????????????????????“??”?

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