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

2?????VX

3????????

4?????

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

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