???????????????????????
?????????????????????????2016-09-13
???????,???????????,?????????????
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???????????????t??????????????????????????????????
???б??????????????
???飬???????????????????????;
????飬????????????????????????
?????????????6????????????????飬??????????á?
(1)??????飺??6????????????Ч??????10%???????;
(2)???????飺??7????????????Ч??????22%???????;
(3)???????飺??8????????????Ч??????36%???????;
(4)??????飺??9????????????Ч??????52%???????;
(5)?弶???飺??10????????????Ч??????70%????????
???????????????????????鷽??????
???????:??????????????????40407?????????????40407???????????α? ???С??
