????:1??????v:?????150???

2????????????

3??????

4??????????

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

???? (????? ?????????????????)??????,????2??????8???????????????,???50????????13?????,????5.3?????????,???????75%,???????????

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

“??????????????????3???,?????7500??????,?????95%?”??,????,????????????????????,????????“??????”,???????????????????????,?,?????????“?????????????????????”,?????,????????????????????????????,??

????????,???????????????????96.8%???2.2%?????????????1%,???????????????????,?????????????????????,??,???????????????????? ???:??????