???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%,???????

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