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    ????λ???????????е?????????? > ??????? > ????

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    ???????13-09-11      ???????

    ??????????????????????????????????????????????????????????????????Ч?檔?????????????????????????????????????
    ?????????????????????????????????????????????з?ú???ˉ????ú????????????????????????????????????????????????????????????????????

    ?????ο???????????????????????????
    ?????????????5.5?????????????????????3.5?????1.5?????0.5??
    ??????????3500??/???? 35?/???? ????35?÷3500??=1??/??
    3.5
    ??x1??=3.5??
    ????ú???1600??/???? 30?/???? ????30?÷1600??=1.87??/??
    1.5
    ??x1.87??=2.8??
    ??? 3000?/?? ??15??/??
    0.5
    ??x15??=7.5??
    ??????13.8??
    ?????????????????
    ??? 0.8?/???????С????25??
    ??????0.8?/??X25??X8С?/??÷45000??/??=0.36??
    ????????????????????
    80
    ?/????????8?? ???640?/??
    ????????640?÷45000??=1.4??
    ???????????0.5??
    ???????????????????1.57???????????????????????ο???

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