??2???????5??????????????????(????????? ??)??????5??????,?(1?28????????????????-2????4????),???2???4??????????????????(??),????16.7???,?3.96???????????????????????????????????????,?????,??

??,?1934??,???????????????????96.8?,????????????????????23.1?????????????,??????,?3000??,??????66.4%?

?,???“?????????????+??”???,???????????????????,???????????????????,??,??????359????

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

??

??:???????????,??????????,??????????????