????:1???sn??:??50??????

2???????v

3????????

4??????????

5?????1?????ktv

??12?28?(???? ???????????????????)???28?????????????,?????(27??),?????322??,????52?,318??????????????

???????????,??7???????10???????????(??12???27??????????1?????5?),?,??

?,27?,?85.2%?

????????????????????,??????47.8%,?????,??????28%???18???19?????????????????,50?????????????59?????????

?,?17?,??,?17????????????????,???????4??(?) ???????????:??????????