请输入:假定Dcy2.87则:Ghs10.65假定P0.0486Ggs26.34Gh7.78Gbs15.69Ag3500b0.595672Abs277.7P10.049607Tbs15tx41.51896Ths95I1173.8316D25Dcy2.829517I2439.36误差P0.020297Ig2724.7误差Dcy0.014106cy0.98
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