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

2??????qq???

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

4????????

5????????????

????????2????14???? (????????????? ???)???????????????????????14??,???2????????8????????,????????????????????50????????????13????????????,????????5.3?,???????????????????75%?

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???,?770????,?????1??????10??????1??22.5???6???,????????????????????????????????????,????????????????????

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?????,???????????????????????????3?,??7500?????,????????????95%??,???

?????,??96.8%,????2.2%,??????????????1%,??

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