问题:
[单选题]
AF(x)=−Ax(2B−3x);v0≤(5AB3/27m)1/2
BF(x)=−Ax(2B−3x);v0≤(8AB3/27m)3/2
CF(x)=−Ax(2B−3x);v0≤(8AB3/27m)1/2
DF(x)=Ax(2B+3x);v0≤(8AB3/27m)1/2
AF(x)=−Ax(2B−3x);v0≤(5AB3/27m)1/2
BF(x)=−Ax(2B−3x);v0≤(8AB3/27m)3/2
CF(x)=−Ax(2B−3x);v0≤(8AB3/27m)1/2
DF(x)=Ax(2B+3x);v0≤(8AB3/27m)1/2
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