??????????????5???
???? (?? ?????????????????????????)???,???????2????8????????,?????????50??13?,??????5.3????????????,?????????????????????75%,?????????????????
??????,?????????????“???????????”?????,?????,??,???????????????
“??????????????????????????????3??,??????????????7500???????????????????????,????95%?”??,??????????,????????????,????????“??”,??????????????????,???,?????????????“??????”,?????????????????????,????????????????????,???????
????????,????96.8%??????2.2%????1%,???????????????,???????????,????????????,??????????????? ????????:???
??
???:????