????
???,???,?????.??,??,???46-47,???,???,?50.
??????,?:
(1)??:????,20~30?2~3???.?,??4~5??,????.
(2)?:?????,????,??1~2?????,????,??,??,?,.????.??,??1~2,????.????,???,40???,??,???.,??.???.?,?282???,181??,?63.8%.
(3)??:??????,????,??,??????.?282????,40??,?14.1%.,???.
???????,??,2~4,?,?????.
??????,??61??.
??????50???????
????????????????2-5???10???1.???????????2..???????????????????????????????3.???????????????????4.????????5.??????????????????
??????,?:
(1)??:????,20~30?2~3???.?,??4~5??,????.
(2)?:?????,????,??1~2?????,????,??,??,?,.????.??,??1~2,????.????,???,40???,??,???.,??.???.?,?282???,181??,?63.8%.
(3)??:??????,????,??,??????.?282????,40??,?14.1%.,???.
???????,??,2~4,?,?????.
??????,??61??.
??????50???????
????????????????2-5???10???1.???????????2..???????????????????????????????3.???????????????????4.????????5.??????????????????
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