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

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

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