共50条信息
在正四棱柱\(ABCD-A_{1}B_{1}C_{1}D_{1}\)中,\(O\)为底面\(ABCD\)的中心,\(P\)是\(DD_{1}\)的中点,设\(Q\)是\(CC_{1}\)上的点,则点\(Q\)满足条件________时,有平面\(D_{1}BQ/\!/\)平面\(PAO\).
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