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

2???????????

3?????

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%,???

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

?????????????:??????