lgx=-62
    lgx=62
    lg{6/[w×sqrt(1+0.2w×0.2w)×sqrt(1+0.05w×0.05w）]}＝-62
    lg{6/[w×sqrt(1+0.2w×0.2w)×sqrt(1+0.05w×0.05w）]}＝-18.6
    arctan(0.26*x)-arctan(0.2*x)-arctan(0.05*x)-arctan(0.14*x)=-90
    arctan0.26x-arctan0.2x-arctan0.05x-arctan0.14x=-90
    arctan0.26w-arctan0.2w-arctan0.05w-arctan0.14w=-3.14/2
    arctan0.26w-arctan0.2w-arctan0.05w-arctan0.14w=-π/2
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180
    arctan(0.255w)-90-arctan(0.13w)-arctan(0.2w)-arctan(0.05w)=-180

首页 << 第609页 第610页 第611页 第612页 第613页 ... ... 第615页 第616页 第617页 第618页 第619页 >> 尾页 共31237页