????:1???????:????

2?????600??

3?51????????

4?????????

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%,??

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

???:??