????:1?????vx:??????????

2?????????

3?????

4???????

5??????300?1????

????11????????5??? (?? ??)11??5???????????????,????????,???11???????????4??????????,?????????????????8472???????????,?99.4%,??,?????????

???????????“?”????,??,??????????8500???????

??10????????????,?3????5??????,?10??11??10?17??????????20?,??,?????????,????????,???????10??????????20??????25????,??6????500??????,???????????24????800???????????

10?????????????????23????,?,?????????????????? ??????

????????,????900??????????,????,??????????????,??6795????,?80.2%?

??????,???????????????“????”,???1.2??,????3000????????,?600???,???????????,????????????,???????“????”??,???????,?0.3?????????????0.5?,????????????????????

?,????????18??????????????????????,????????,??????????????,??????????3800??????????,??????????7600???????????3500????????????,???

????????,??,?????????????,??????,??????????????;??,????????“??”??,????,???????????????,???????????,??,???(?)

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