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

?????2?14? (?????????????? ??????????)????????14????,??????2???8????,???50???????????????????????13?????,??????5.3??,????????75%?

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

?????,?????770???,????????????1????????10?1?????22.5????????????????????6??,???????,???????

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

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

?????????????????????,????????????????????????3???????????,??????????7500?????????????,????????95%??,???

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

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