????????????????????12????????5?????????? ??????????,???????????????«?????????????»?12????5?,???????????????,??«???????????»??,????

????????????????????,??????????????????,???????????,??????????80%??????????????,???????96.6%,????????????????????????????18.9????,??,??

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?? ???:????80%??????????????

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2??????

3???????????

4????????

5?????????

????????????????????12????????5?????????? ??????????,???????????????«?????????????»?12????5?,???????????????,??«???????????»??,????

????????????????????,??????????????????,???????????,??????????80%??????????????,???????96.6%,????????????????????????????18.9????,??,??

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