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

????:???????98?:??????VX

?????????

?????????,????,????????????????????????????12?????????,?????????????????300??????????,?????????????????

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

???????:??????????????,??????????????;?????;????;???,???????????????????????????“4~6?????????????”,????????????????4????(CPR),????????????32%;??????????4~6????CPR,????????????????10%;????6???????????????CPR,???4%;??????10??????????CPR,???????????,????????

?????,?7????????????????8?????????????????????,?????????????????????????,????????????????????????????????,?????????????????????????????????????????????????“?????”???,????,????,??????????????????……?????????“????”!????1?,??????17%?

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

???????:??????,50%?????????????,??????50%-75%???????????????,????????????????????,?????????

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

?????,??,???35??????????????,?????????,??????????????????????????????????????,???????????????????????????????,???,??????????????????,???????????????

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