图示体系,质点的运动方程为:() A: y=7l/768EI[Psin(θt)-m] B: m[]+(192EI/7l)y=Psin(θt) C: m+(384EI/7l)y=Psin(θt) D: y=7l/96EI[Psin(θt)-m]
图示体系,质点的运动方程为:() A: y=7l/768EI[Psin(θt)-m] B: m[]+(192EI/7l)y=Psin(θt) C: m+(384EI/7l)y=Psin(θt) D: y=7l/96EI[Psin(θt)-m]
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