Planera普拉内拉planen.飞机；水平；平面n.刨子n.悬铃木adj.平的；飞机的vt.磨平；刨vi.（鸟、飞机）滑翔plane slip surface平面滑裂面plane of the orbit轨道平面Plane bending wave平面弯曲波plane rs propeller飞机的螺旋桨plane light source面光源plane concave lens平凹透镜plane cutting tool平面刀具planed matchboards企口plane line-shape平面线形plane polarization平面极化,(平)面(偏)振