I ________ and saw a plane in the sky. A.looked atB.looked forC.look aboutD.looked up
I ________ and saw a plane in the sky.
A.looked at
B.looked for
C.look about
D.looked up
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12、mlab对标量数据的可视化提供什么观测方式:A.iso_surfaces等值面分析B.vector_cut_plane切面分析C.image_plane_widget切面分析D.flow流线轨迹分析
13、mlab对矢量数据的可视化提供什么观测方式:A.Iso_surfaces等值面分析B.vector_cut_plane切面分析C.image_plane_widget切面分析D.flow流线轨迹分析
钨极氩弧焊的英文缩写是()。A.SMAWB.GTAWC.GMAWD.SAW