???????????????????:????

????:??????????:????vx

??6????15????????????????(??????????)“??,????,??????????????????????????????????????????????????,??????,”???????????????????(Barry Sautman)?????“???”?????,?????

??????25?????,????????????,“?????????????,???????????????,?????????????????????????????,??????????,???????????????????,??????”

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

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

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

???,???,????????????????,??????????40????????????,?????????????2000???????????;???,????????9.5%????????????????????,????,????????,99%???????????????,???????,94%???

???????????,“????????,????????,????”(??????) ??????????????????????:???