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

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

3????????QQ

4??????

5?????668??

?????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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