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如图,α⊥β,α∩β=l,A∈α,B∈β,A、B到l的距离分别是a和b.AB与α...
如图,α⊥β,α∩β=l,A∈α,B∈β,A、B到l的距离分别是a和b.AB与α、β所成的角分别是θ和φ,AB在α、β内的射影分别是m和n.若a>b,则( )
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A.θ>φ,m>n
B.θ>φ,m<n
C.θ<φ,m<n
D.θ<φ,m>n
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