0.0025/0.12560
    0.0025/0.12993
    0.0025/0.13178
    0.0025/0.14001
    0.0025/0.14084
    0.0025/0.14358
    0.0025/0.14730
    0.0025/0.14958
    0.0025/0.15438
    0.0025/0.15918
    (1×10^(-5) ×31000×0.22×88)/2×0.645
    1.77e^(-4.48×0.22)×0.98-0.131（1-0.98）
    1-(1/(1+1.05))(27.0182×0.9976+27.04×0.0696)/(0.0696×0.9976+27.0367×27.0182)
    (27.0182×cos3.99+27.04×sin3.99)/(sin3.99×cos3.99+27.0367×27.0182)
    C(40,8)
    (1^3*2^3)
    (1*2)^3
    (146.67^2-16.01*1.4*10^6(0.1/25)^0.25*11^2/25^5*0.769*293.5/273.5)^0.5
    (146.67^2-3.15*1.4*10^6(0.1/32)^0.25*29^2/32^5*0.769*293.5/273.5)^0.5
    (146.67^2-11.92*1.4*10^6(0.1/32)^0.25*30^2/32^5*0.769*293.5/273.5)^0.5

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