????????????

????:?????VX:??????

??2??????5???????????? ????????????“???”5?????,???3??4???4??7.3??,?????9??????

???,?????“????”?

?????????????????????,??(???????S)???,?,?????,??5???????????????????

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

??“?????????????”??,?????,1??21?2??3??????????????142???,?25?????2????2???,????????65?46.3%,?68.6%?

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