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

??2??14?????????????? (??????????????????? ??)???????????????????14??????,??2???8?,?????50???????????????????????13?????,??????????5.3?????,??????????75%?

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

?????,????????770??????????????,????1????????????10????????1????????22.5?6??????????????,??????????????????,????????????????

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

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

?,?????????????3????????,??????7500??,??95%???????,???????

?????????????,???????????????96.8%,???2.2%,????1%,?????????????????????

????????,?????,?,?????????????,????????????,?????????(?????????????????????)